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 A134544 A051731 * A002260. 1
 1, 2, 2, 2, 2, 3, 3, 4, 3, 4, 2, 2, 3, 4, 5, 4, 6, 6, 4, 5, 6, 2, 2, 3, 4, 5, 6, 7, 4, 6, 6, 8, 5, 6, 7, 8, 3, 4, 6, 4, 5, 6, 7, 8, 9, 4, 6, 6, 8, 10, 6, 7, 8, 9, 10 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row sums = A007437: (1, 4, 7, 14, 16, 3, 29, 50,...). Left border = A000010. LINKS FORMULA A051731 * A002260 as infinite lower triangular matrices. EXAMPLE First few rows of the triangle are: 1; 2, 2; 2, 2, 3; 3, 4, 3, 4; 2, 2, 3, 4, 5; 4, 6, 6, 4, 5, 6; 2, 2, 3, 4, 5, 6, 7; 4, 6, 6, 8, 5, 6, 7, 8; 3, 4, 6, 4, 5, 6, 7, 8, 9; 4, 6, 6, 8, 10, 6, 7, 8, 9, 10; ... CROSSREFS Cf. A054731, A007437, A000010. Sequence in context: A333701 A140682 A049317 * A230514 A106161 A105588 Adjacent sequences:  A134541 A134542 A134543 * A134545 A134546 A134547 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Oct 31 2007 STATUS approved

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Last modified June 15 02:56 EDT 2021. Contains 345042 sequences. (Running on oeis4.)