The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A346464 a(n) = 6 * GaussBinomial(2*n, 2, 2) * Bernoulli(2*n, 1). 3
 0, 1, -7, 93, -2159, 79205, -4243431, 313117357, -30459187423, 3777547352949, -581776592603735, 108932905225448381, -24370170371013413967, 6419958293615735090053, -1967044830254804722091719, 693575524342402846796188365, -278846808098157253796358662591 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Table of n, a(n) for n=0..16. FORMULA a(n) = -2*n*(4^n - 2)*(4^n - 1)*zeta(1 - 2*n) for n >= 1. MAPLE a := n -> `if`(n = 0, 0, -2*n*(4^n - 2)*(4^n - 1)*Zeta(1 - 2*n)): seq(a(n), n = 0..16); MATHEMATICA Table[6 QBinomial[2 n, 2, 2] BernoulliB[2 n, 1], {n, 0, 16}] CROSSREFS Cf. A006095, A000367, A002445, A346463. Sequence in context: A318697 A337457 A346463 * A197484 A218835 A219417 Adjacent sequences: A346461 A346462 A346463 * A346465 A346466 A346467 KEYWORD sign AUTHOR Peter Luschny, Jul 19 2021 STATUS approved

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

Last modified June 4 13:02 EDT 2023. Contains 363128 sequences. (Running on oeis4.)