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 A110102 A triangle of coefficients based on A000931: a(n) = a(n - 2) + a(n - 3); t(n,m) := a(n - m + 1)*a(m + 1). 0
 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 3, 2, 4, 2, 3, 4, 3, 4, 4, 3, 4, 5, 4, 6, 4, 6, 4, 5, 7, 5, 8, 6, 6, 8, 5, 7, 9, 7, 10, 8, 9, 8, 10, 7, 9, 12, 9, 14, 10, 12, 12, 10, 14, 9, 12, 16, 12, 18, 14, 15, 16, 15, 14, 18, 12, 16 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Row sums are: {1, 2, 5, 8, 14, 22, 34, 52, 77, 114, 166} LINKS FORMULA a(n) = a(n - 2) + a(n - 3); t(n,m) := a(n - m + 1)*a(m + 1). EXAMPLE {1}, {1, 1}, {2, 1, 2}, {2, 2, 2, 2}, {3, 2, 4, 2, 3}, {4, 3, 4, 4, 3, 4}, {5, 4, 6, 4, 6, 4, 5}, {7, 5, 8, 6, 6, 8, 5, 7}, {9, 7, 10, 8, 9, 8, 10, 7, 9}, {12, 9, 14, 10, 12, 12, 10, 14, 9, 12}, {16, 12, 18, 14, 15, 16, 15, 14, 18, 12, 16} MATHEMATICA Clear[t, a, n, m] a[0] = 1; a[1] = 1; a[2] = 1; a[n_] := a[n] = a[n - 2] + a[n - 3]; t[n_, m_] := a[(n - m + 1)]*a[(m + 1)]; Table[Table[t[n, m], {m, 0, n}], {n, 0, 10}]; Flatten[%] CROSSREFS Cf. A141611, A141617, A000931. Sequence in context: A307707 A025819 A243866 * A255472 A230198 A024939 Adjacent sequences:  A110099 A110100 A110101 * A110103 A110104 A110105 KEYWORD nonn,tabl AUTHOR Roger L. Bagula and Gary W. Adamson, Aug 24 2008 STATUS approved

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Last modified May 6 02:46 EDT 2021. Contains 343579 sequences. (Running on oeis4.)