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A089276
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Coefficient triangle of polynomials used for numerator of g.f.s for column sequences of array A078739.
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4
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1, 1, 8, 1, 48, 180, 1, 160, 3204, 8064, 1, 400, 24972, 311328, 604800, 1, 840, 125468, 4654656, 42454080, 68428800, 1, 1568, 476728, 40968960, 1073980368, 7803233280, 10897286400, 1, 2688, 1490328, 254542720, 15076235088, 306406471680
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| The polynomials are po(n,x) := sum(a(n,m)*x^m,m=0..n-1). Companion polynomials are pe(n,x) := sum(b(n,m)*x^m,m=0..n-1) with b(n,m) := A089275(n,m), n>=1, po(1,x) = 1 = pe(1,x).
For the recursion relation of these polynomials and the triangles see A089275.
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CROSSREFS
| Sequence in context: A050311 A050302 A050401 * A051932 A038279 A075503
Adjacent sequences: A089273 A089274 A089275 * A089277 A089278 A089279
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KEYWORD
| nonn,easy,tabl
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Nov 07 2003
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