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A067329
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Triangle of coefficients of polynomials used for g.f.s of columns of A067304.
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2
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1, 3, 1, 3, 10, 3, 3, 10, 12, 3, 21, 70, 93, 60, 12, 48, 160, 219, 165, 72, 12, 507, 1690, 2343, 1872, 996, 336, 48, 1461, 4870, 6798, 5595, 3252, 1380, 384, 48, 17841, 59470, 83361, 69828, 42636, 20256, 7248, 1728
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| The row polynomials p(n,y) := sum(a(n,m)y^m,m=0..n), n>=1, appear in the g.f.s for the n-th column of triangle A067304.
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FORMULA
| a(n, m)=[y^m](p(n, y)), n>=m>=1, a(0, 0)=1, else 0, where p(k, y) is, for k>=1, defined by the g.f. of the k-th column of triangle A067304(n, k).
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EXAMPLE
| {1}; {3,1}; {3,10,3}; {3,3,10,12}; ...
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CROSSREFS
| Sequence in context: A058842 A155734 A128162 * A170860 A170845 A025238
Adjacent sequences: A067326 A067327 A067328 * A067330 A067331 A067332
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KEYWORD
| nonn,tabl
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Feb 5 2002
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