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 A225355 a(n) = A221565(n)/4. 0
 0, 1, 2, 4, 4, 4, 7, 12, 8, 4, 8, 16, 16, 20, 21, 28, 16, 4, 8, 16, 24, 28, 36, 44, 34, 28, 24, 44, 44, 52, 49, 60, 32, 4, 8, 16, 24, 28, 38 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS EXAMPLE When written as a irregular triangle begins: 0; 1; 2; 4,4; 4,7,12,8; 4,8,16,16,20,21,28,16; 4,8,16,24,28,36,44,34,28,24,44,44,52,49,60,32; 4,8,16,24,28,38... CROSSREFS Row lengths give 1 together with A011782. Right border gives 0 together with A000079. Cf. A139251, A182635, A221565. Sequence in context: A035545 A327333 A023820 * A117726 A172307 A108039 Adjacent sequences:  A225352 A225353 A225354 * A225356 A225357 A225358 KEYWORD nonn,tabf,more AUTHOR Omar E. Pol, May 13 2013 STATUS approved

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Last modified May 11 17:33 EDT 2021. Contains 343805 sequences. (Running on oeis4.)