A025534 a(n) = (1/C(n,0) + 1/C(n,1) + ... + 1/C(n,k))*L, where k = [ n/2 ], L = LCM{C(n,0), C(n,1),..., C(n,n)}.

1, 1, 3, 4, 17, 13, 77, 128, 334, 292, 2871, 2588, 30697, 28211, 26121, 48640, 773828, 727240, 13035026, 12337264, 11711342, 11146396, 244579999, 233836352, 1120013966, 1074836584, 3099540819, 2983938788, 83423830027, 80530073893, 2412760934249

Offset

0,3

Links

Table of n, a(n) for n=0..30.

Crossrefs

Sequence in context: A360795 A370581 A100560 * A082000 A100434 A096876

Adjacent sequences: A025531 A025532 A025533 * A025535 A025536 A025537

Keyword

nonn

Author

Clark Kimberling

Status

approved