login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

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

CROSSREFS

Sequence in context: A009258 A009204 A023642 * A162155 A163344 A064743

Adjacent sequences:  A025533 A025534 A025535 * A025537 A025538 A025539

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 27 04:53 EST 2021. Contains 349346 sequences. (Running on oeis4.)