Pleasants, P. A. B. Non-repetitive sequences. (English) Zbl 0237.05010 Proc. Camb. Philos. Soc. 68, 267-274 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 55 Documents MSC: 05B30 Other designs, configurations PDF BibTeX XML Cite \textit{P. A. B. Pleasants}, Proc. Camb. Philos. Soc. 68, 267--274 (1970; Zbl 0237.05010) OpenURL