
1, 0, 2, 0, 3, 1, 4, 2, 6, 3, 8, 4, 10, 6, 12, 8, 15, 10, 18, 12, 21, 15, 24, 18, 28, 21, 32, 24, 36, 28, 40, 32, 45, 36, 50, 40, 55, 45, 60, 50, 66, 55, 72, 60, 78, 66, 84, 72, 91, 78, 98, 84, 105, 91, 112, 98, 120
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OFFSET

0,3


LINKS

Table of n, a(n) for n=0..56.
Index entries for Molien series
Index entries for linear recurrences with constant coefficients, signature (1,1,1,0,0,0,0,1,1,1,1).


FORMULA

G.f.: ( 1x^2x^4+x+x^3 ) / ( (1+x^2)*(1+x^4)*(1+x)^2*(x1)^3 ).  R. J. Mathar, Dec 18 2014


MAPLE

(1+x^5)/((1x^2)^2*(x^8+1)).


CROSSREFS

Sequence in context: A084964 A008720 A263352 * A226649 A053445 A175990
Adjacent sequences: A008731 A008732 A008733 * A008735 A008736 A008737


KEYWORD

nonn


AUTHOR

N. J. A. Sloane.


STATUS

approved

