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 A220497 Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220496. 2
 0, 1, 2, 4, 4, 4, 4, 7, 8, 4, 4, 8, 8, 8, 8, 13, 16, 4, 4, 8, 8, 8, 8, 14, 16, 8, 8, 16, 16, 16, 16, 25, 32, 4, 4, 8, 8, 8, 8, 14, 16, 8, 8, 16, 16, 16, 16, 26, 32, 8, 8, 16, 16, 16, 16, 28, 32, 16, 16, 32, 32, 32, 32, 49, 64, 4, 4, 8, 8, 8, 8, 14, 16 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Essentially the first differences of A220496. First differs from A194443 (and from A220523) at a(12). LINKS N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS EXAMPLE Written as an irregular triangle begins: 0; 1; 2; 4,4; 4,4,7,8; 4,4,8,8,8,8,13,16; 4,4,8,8,8,8,14,16,8,8,16,16,16,16,25,32; 4,4,8,8,8,8,14,16,8,8,16,16,16,16,26,32,8,8,16,16,16,16,28,32,16,16,32,32,32,32,49,64; CROSSREFS Cf. A139250, A139251, A194271, A194443, A194700, A194701, A220495, A220496, A220523. Sequence in context: A035645 A063440 A008497 * A194443 A220523 A220527 Adjacent sequences:  A220494 A220495 A220496 * A220498 A220499 A220500 KEYWORD nonn,tabf AUTHOR Omar E. Pol, Dec 23 2012 STATUS approved

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Last modified June 18 17:05 EDT 2019. Contains 324214 sequences. (Running on oeis4.)