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A025536
a(n) = (1/C(n,0) - 1/C(n,1) + ... + d/C(n,k))*L, where d = (-1)^k,k = [ n/2 ], L = LCM{C(n,0), C(n,1),..., C(n,n)}.
0
1, 1, 1, 2, 11, 9, 51, 92, 254, 230, 2305, 2130, 25755, 24031, 22519, 42392, 680708, 644868, 11639502, 11085300, 10581510, 10121430, 223092705, 214169076, 1029659598, 991523962, 2868336757, 2769428662, 77636319761, 75131921865, 2256305506455
OFFSET
0,4
CROSSREFS
Sequence in context: A009258 A009204 A023642 * A162155 A163344 A064743
KEYWORD
nonn
STATUS
approved