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 A134676 A127172 * A127648. 1
 1, 3, 2, 3, 0, 3, 6, 6, 0, 4, 3, 0, 0, 0, 5, 9, 6, 9, 0, 0, 6, 3, 0, 0, 0, 0, 0, 7, 10, 12, 0, 12, 0, 0, 0, 8, 6, 0, 9, 0, 0, 0, 0, 0, 9, 9, 6, 0, 0, 15, 0, 0, 0, 0, 10 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Left column = A007425: (1, 3, 3, 6, 3, 9, 3, 10,...).R Row sums = A007430: (1, 5, 6, 16, 8, 30, 10, 42,...) LINKS FORMULA A127172 * A127648 = A051731^3 * A127648 as infinite lower triangular matrices. EXAMPLE First few rows of the triangle are: 1; 3, 2; 3, 0, 3; 6, 6, 0, 4; 3, 0, 0, 0, 5; 9, 6, 9, 0, 0, 6; 3, 0, 0, 0, 0, 0, 7; ... CROSSREFS Cf. A127172, A051731, A127648, A007430, A007425. Sequence in context: A230409 A244543 A283979 * A286246 A286249 A239146 Adjacent sequences:  A134673 A134674 A134675 * A134677 A134678 A134679 KEYWORD nonn AUTHOR Gary W. Adamson, Nov 05 2007 STATUS approved

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Last modified April 23 09:35 EDT 2019. Contains 322385 sequences. (Running on oeis4.)