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A203166
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(n-1)-st elementary symmetric function of the first n terms of (1,2,3,4,5,1,2,3,4,5,...)=A010884.
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1
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1, 3, 11, 50, 274, 394, 908, 2964, 12576, 65760, 80160, 174720, 552960, 2298240, 11836800, 13564800, 28857600, 90028800, 370483200, 1893888000, 2101248000, 4409856000, 13644288000, 55821312000, 284083200000, 308966400000
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OFFSET
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1,2
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LINKS
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Table of n, a(n) for n=1..26.
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MATHEMATICA
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f[k_] := 1 + Mod[k + 4, 5];
t[n_] := Table[f[k], {k, 1, n}]
a[n_] := SymmetricPolynomial[n - 1, t[n]]
Table[a[n], {n, 1, 33}] (* A203166 *)
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CROSSREFS
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Cf. A010884, A203163.
Sequence in context: A162477 A115081 A103466 * A000254 A081048 A065048
Adjacent sequences: A203163 A203164 A203165 * A203167 A203168 A203169
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling, Dec 30 2011
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STATUS
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approved
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