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.

A194618 Half the number of lower triangles of a 5 X 5 0..n array with no element equal to the average of its horizontal and vertical neighbors.

Table of values

n a(n)
1 849
2 571364
3 86867366
4 3703163910
5 73569838704
6 873084601728
7 7416076339907
8 47683223919057
9 251059904306865
10 1116910109397146
11 4348691274427714
12 15090969268080476
13 47709109611064061
14 138700124724207796

List of values

[849, 571364, 86867366, 3703163910, 73569838704, 873084601728, 7416076339907, 47683223919057, 251059904306865, 1116910109397146, 4348691274427714, 15090969268080476, 47709109611064061, 138700124724207796]

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

Content is available under The OEIS End-User License Agreement.