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.

A187635 Number of 5X5 0..n arrays with the array of 2X2 subblock determinants antisymmetric under horizontal and vertical reflection and each non-centerline 2X2 subblock nonsingular.

Table of values

n a(n)
1 954
2 557382
3 31903442
4 686589106
5 7836968262

List of values

[954, 557382, 31903442, 686589106, 7836968262]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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