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 A233972 a(n) = A233971(n+1)/2. 2
 1, 1, 2, 1, 2, 3, 4, 1, 2, 3, 5, 5, 4, 7, 8, 1, 2, 3, 5, 5, 5, 9, 12, 11, 4, 7, 11, 13, 8, 15, 16, 1, 2, 3, 5, 5, 5, 9, 12, 11, 5, 9, 14, 19, 14, 23, 28, 27, 4, 7, 11, 13, 11, 21, 28, 31, 8, 15, 23, 29, 16, 31, 32, 1, 2, 3, 5, 5, 5, 9, 12, 11, 5, 9, 14 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS EXAMPLE Written as an irregular triangle in which row lengths is A000079 the sequence begins: 1, 1,2, 1,2,3,4, 1,2,3,5,5,4,7,8, 1,2,3,5,5,5,9,12,11,4,7,11,13,8,15,16, 1,2,3,5,5,5,9,12,11,5,9,14,19,14,23,28,27,4,7,11,13,11,21, 28,31,8,15,23,29,16,31,32; CROSSREFS Right border gives A000079. Cf. A139251, A233782, A233970, A233971. Sequence in context: A168265 A062050 A233782 * A169778 A255560 A046653 Adjacent sequences:  A233969 A233970 A233971 * A233973 A233974 A233975 KEYWORD nonn,tabf AUTHOR Omar E. Pol, Dec 18 2013 STATUS approved

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Last modified April 25 23:48 EDT 2019. Contains 322465 sequences. (Running on oeis4.)