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 A256257 6 times numbers of Gould's sequence A001316. 2
 6, 12, 12, 24, 12, 24, 24, 48, 12, 24, 24, 48, 24, 48, 48, 96, 12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192, 12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192, 24, 48, 48, 96, 48, 96, 96, 192, 48, 96, 96, 192, 96, 192, 192, 384, 12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Also, number of triangular cells turned ON at (n+1)-st stage in the structure of A256256. First differences of A256256. LINKS N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS FORMULA a(n) = 6*A001316(n) = 3*A117973(n) = 2*A160713(n). a(n) = 12*A048896(n-1), n >= 1. EXAMPLE Written as an irregular triangle in which the row lengths are the terms of A011782, the sequence begins: 6; 12; 12, 24; 12, 24, 24, 48; 12, 24, 24, 48, 24, 48, 48, 96; 12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192; ... CROSSREFS Cf. A001316, A011782, A047999, A048896, A117973, A151787, A160713, A160721, A256256. Sequence in context: A061928 A315584 A315585 * A315586 A315587 A315588 Adjacent sequences:  A256254 A256255 A256256 * A256258 A256259 A256260 KEYWORD nonn,tabf AUTHOR Omar E. Pol, Mar 20 2015 STATUS approved

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Last modified October 21 11:25 EDT 2019. Contains 328295 sequences. (Running on oeis4.)