A100779 - OEIS

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A100779

Expansion of (1+t^2+4*t^3+2*t^4+t^5+3*t^6)/((1-t)^2*(1-t^2)*(1-t^3)^2).

1, 2, 5, 14, 27, 49, 89, 142, 218, 329, 469, 651, 892, 1183, 1542, 1989, 2514, 3138, 3886, 4745, 5741, 6902, 8214, 9706, 11411, 13312, 15443, 17840, 20485, 23415, 26671, 30232, 34140, 38439, 43107, 48189, 53734, 59717, 66188, 73199, 80724, 88816, 97532, 106843

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OFFSET

0,2

COMMENTS

Molien series for 5-dimensional group of order 48.

LINKS

Table of n, a(n) for n=0..43.

S. Ling and P. Solé, Type II Codes over F_4 + u F_4, European J. Combinatorics, 22 (2001), 983-997.

Index entries for Molien series

Index entries for linear recurrences with constant coefficients, signature (2,0,0,-3,0,3,0,0,-2,1).

MAPLE

(1+t^2+4*t^3+2*t^4+t^5+3*t^6)/((1-t)^2*(1-t^2)*(1-t^3)^2);