cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A362111 Related to shifted Genocchi medians.

Original entry on oeis.org

1, 1, 5, 41, 493, 8161, 178469, 4998905, 174914077, 7487810257, 385307632469, 23477954308841, 1672313866643917, 137703723643494721, 12981787835378567045, 1389285520249200892889, 167515121086596348291709, 22605814306270350503723185, 3393854148421455726168715445
Offset: 0

Views

Author

N. J. A. Sloane, Apr 14 2023

Keywords

Crossrefs

Cf. A005439.

Programs

  • Mathematica
    Rest@CoefficientList[Fold[#2/(1-#1)&,O[t],t Reverse@Table[Ceiling[n/2]^2,{n,20}]],t] (* Andrei Zabolotskii, Jul 09 2025 *)

Extensions

Terms a(10) onwards from Andrei Zabolotskii, Jul 09 2025