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Search: id:A092423
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| A092423 |
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Row sums of triangle A092422, which is generated from the even-numbered Fibonacci polynomials (A011973). |
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+0
2
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| 1, 2, 4, 9, 21, 50, 121, 297, 736, 1837, 4610, 11618, 29379, 74500, 189362, 482282, 1230460, 3144137, 8045057, 20610526, 52860253, 135707819, 348720196, 896833527, 2308229426, 5944998971, 15321681454, 39511323139, 101947848801
(list; graph; listen)
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OFFSET
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0,2
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PROGRAM
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(PARI) T(n, k)=if(n<k|k<0, 0, if(k==0, 1, sum(j=0, min(k, n-k), binomial(k+j, k-j)*T(n-k, j)))); a(n)=sum(k=0, n, T(n-k, k))
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CROSSREFS
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Cf. A092422.
Sequence in context: A024537 A027826 A091964 this_sequence A091600 A048285 A051529
Adjacent sequences: A092420 A092421 A092422 this_sequence A092424 A092425 A092426
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KEYWORD
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nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Mar 22 2004
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