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 A133599 A097806 * A133080 * A007318. 3
 1, 3, 1, 3, 3, 1, 3, 7, 5, 1, 3, 9, 10, 5, 1, 3, 13, 22, 18, 7, 1, 3, 15, 31, 34, 21, 7, 1, 3, 19, 51, 75, 65, 33, 9, 1, 3, 21, 64, 111, 120, 83, 36, 9, 1, 3, 25, 92, 196, 266, 238, 140, 52, 11, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row sums = A133600: (1, 4, 7, 16, 28, 64, 112,...). LINKS FORMULA A097806 * A133080 * A007318 as infinite lower triangular matrices, where A097806 = the pairwise operator and A133080 = an interpolation operator. EXAMPLE First few rows of the triangle are: 1; 3, 1; 3, 3, 1; 3, 7, 5, 1; 3, 9, 10, 5, 1; 3, 13, 22, 18, 7, 1; ... MAPLE A133599aux := proc(n, k)     add(A097806(n, j)*A133080(j, k), j=k..n) ; end proc: A133599 := proc(n, k)     add(A133599aux(n, j)*binomial(j-1, k-1), j=k..n) ; end proc: # R. J. Mathar, Jun 20 2015 CROSSREFS Cf. A097806, A133080, A133600. Sequence in context: A274773 A132752 A131241 * A256399 A050306 A205453 Adjacent sequences:  A133596 A133597 A133598 * A133600 A133601 A133602 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Sep 18 2007 STATUS approved

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Last modified October 19 16:17 EDT 2019. Contains 328223 sequences. (Running on oeis4.)