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 A132819 A001263 * A127773. 1
 1, 1, 3, 1, 9, 6, 1, 18, 36, 10, 1, 30, 120, 100, 15, 1, 45, 300, 500, 225, 21, 1, 63, 630, 1750, 1575, 441, 28, 1, 84, 1176, 4900, 7350, 4116, 784, 36, 1, 108, 2016, 11760, 26460, 24696, 9408, 1296, 45, 1, 135, 3240, 25200, 79380, 111132, 70560, 19440 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Row sums = A132820: (1, 4, 16, 65, 266, ...). LINKS Table of n, a(n) for n=1..53. FORMULA A001263 * A127773 as infinite lower triangular matrices. EXAMPLE First few rows of the triangle are: 1; 1, 3; 1, 9, 6; 1, 18, 36, 10; 1, 30, 120, 100, 15; 1, 45, 300, 500, 225, 21; ... CROSSREFS Cf. A001263, A127773, A132820. Sequence in context: A337680 A077895 A105539 * A264364 A330509 A105545 Adjacent sequences: A132816 A132817 A132818 * A132820 A132821 A132822 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Sep 02 2007 STATUS approved

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Last modified May 26 10:52 EDT 2024. Contains 372824 sequences. (Running on oeis4.)