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A132428
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Central terms of triangle A132427.
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1
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1, 1, 3, 10, 43, 216, 1241, 7988, 56763, 440254, 3693728, 33281359, 320112326, 3270177860, 35329070470, 402128329243, 4806784533967, 60166803598106, 786622663286330, 10717555856584617, 151864784070048105
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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FORMULA
| Binomial transform equals A125273.
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PROG
| (PARI) {a(n)=local(G=1+x+x*O(x^n)); for(i=0, n, G=1+x*subst(G, x, x/(1-x)^2)/(1-x)); polcoeff(subst((G-1)/x, x, x/(1+x))/(1+x), n)}
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CROSSREFS
| Cf. A125273; A132427.
Sequence in context: A082936 A205487 A030935 * A030890 A030833 A157313
Adjacent sequences: A132425 A132426 A132427 * A132429 A132430 A132431
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KEYWORD
| nonn,tabl
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Aug 21 2007
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