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.

A229431 Number of n X n 0..6 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(n+1) 0..2 array.

Table of values

n a(n)
1 7
2 1213
3 2985887
4 74760946845
5 15371734909895599
6 26247877098036804502973

List of values

[7, 1213, 2985887, 74760946845, 15371734909895599, 26247877098036804502973]

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

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