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 A110577 {a(1,n)}, where a(m,n) is defined in sequence A110576. 5
 1, 2, 4, 11, 40, 172, 820, 4227, 23336, 137282, 857178, 5659496, 39372213, 287657495, 2200586044, 17579891124, 146309132849, 1265828289411, 11362930635404 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS G. C. Greubel, Table of n, a(n) for n = 0..570 MATHEMATICA a[0, 0] := 1; a[0, 1] := 1; a[0, n_] := a[0, n] = Sum[Binomial[2*n - k - 3, n - 2]*a[0, k], {k, 0, n - 1}]; a[1, 0] := 1; a[1, n_] := a[1, n] = a[1, n - 1] + a[0, n]; Table[a[1, n], {n, 0, 50}] (* G. C. Greubel, Aug 31 2017 *) CROSSREFS Cf. A110576, A110578, A110579, A110580. Sequence in context: A173938 A242790 A013044 * A012948 A013182 A013170 Adjacent sequences:  A110574 A110575 A110576 * A110578 A110579 A110580 KEYWORD easy,nonn AUTHOR Leroy Quet, Jul 28 2005 EXTENSIONS More terms from Ryan Propper, Sep 25 2005 STATUS approved

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Last modified May 26 02:56 EDT 2020. Contains 334613 sequences. (Running on oeis4.)