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.

A185431 Number of (n+2)X7 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 4370405405266
2 1297535366114472
3 209290512833668811
4 22687513754718781985
5 1812817799965228636502
6 112849363355150447528536
7 5686283998453160141912882
8 238618763396476742696570337

List of values

[4370405405266, 1297535366114472, 209290512833668811, 22687513754718781985, 1812817799965228636502, 112849363355150447528536, 5686283998453160141912882, 238618763396476742696570337]

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

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