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.

A208472 Number of 7Xn nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.

Table of values

n a(n)
1 877
2 190899322
3 470798015742024
4 6105599904286957450405
5 279322601688949336349340289673
6 35487456577214016192433880229514302813
7 10658767342117292737413813034097966371526603430

List of values

[877, 190899322, 470798015742024, 6105599904286957450405, 279322601688949336349340289673, 35487456577214016192433880229514302813, 10658767342117292737413813034097966371526603430]

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

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