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**A postage stamp problem.**
*(English)*
Zbl 0432.10032

### MSC:

11B13 | Additive bases, including sumsets |

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\textit{R. Alter} and \textit{J. A. Barnett}, Am. Math. Mon. 87, 206--210 (1980; Zbl 0432.10032)

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### Online Encyclopedia of Integer Sequences:

a(n) = solution to the postage stamp problem with 3 denominations and n stamps.a(n) is the solution to the postage stamp problem with 4 denominations and n stamps.

a(n) is the solution to the postage stamp problem with 5 denominations and n stamps.

a(n) is the solution to the postage stamp problem with 6 denominations and n stamps.

a(n) = solution to the postage stamp problem with n denominations and 2 stamps.

a(n) is the solution to the postage stamp problem with n denominations and 3 stamps.

a(n) is the solution to the postage stamp problem with n denominations and 4 stamps.

a(n) is the solution to the postage stamp problem with n denominations and 5 stamps.

a(n) = solution to the postage stamp problem with n denominations and 6 stamps.

a(n) = floor((n^2 + 6n - 3)/4).

a(n) = solution to the postage stamp problem with n denominations and 7 stamps.

a(n) = solution to the postage stamp problem with n denominations and 8 stamps.

a(n) = solution to the postage stamp problem with n denominations and 9 stamps.

a(n) = solution to the postage stamp problem with 7 denominations and n stamps.

a(n) = solution to the postage stamp problem with 8 denominations and n stamps.

a(n) = solution to the postage stamp problem with n denominations and 10 stamps.

Changes in United States postal rates per ounce since 1863.

Number of admissible bases in the postage stamp problem for n denominations and h = 2 stamps.

Number of admissible basis in the postage stamp problem for n denominations and h = 3 stamps.

Number of admissible basis in the postage stamp problem for n denominations and h = 4 stamps.

Number of admissible basis in the postage stamp problem for n denominations and h = 5 stamps.

Number of admissible basis in the postage stamp problem for n denominations and h = 6 stamps.

Number of admissible basis in the postage stamp problem for n denominations and h = 7 stamps.