

A323825


Number of ways of having a total of n coins in your two pockets (each of them either a penny, a nickel, a dime, or a quarter), so that the amounts in the pockets are identical.


1



1, 0, 4, 2, 12, 12, 34, 40, 85, 108, 190, 250, 394, 516, 762, 984, 1385, 1764, 2396, 2998, 3966, 4886, 6316, 7684, 9739, 11706, 14594, 17358, 21320, 25134, 30470, 35618, 42697, 49532, 58770, 67724, 79622, 91172, 106326, 121048, 140117, 158692, 182452, 205624
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OFFSET

0,3


LINKS



FORMULA

EkhadZeilberger (2019) gives a g.f.


CROSSREFS



KEYWORD

nonn,easy


AUTHOR



STATUS

approved



