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.

A194995 Number of lower triangles of an n X n 0..5 array with each element differing from all of its horizontal and vertical neighbors by one.

Table of values

n a(n)
1 6
2 18
3 90
4 672
5 7858
6 138956
7 3816148
8 159427052
9 10305467946
10 1016480307410
11 154783529107972
12 36032460970618398
13 12930394865167766832
14 7102572782942842968972
15 6007897214058607933844528

List of values

[6, 18, 90, 672, 7858, 138956, 3816148, 159427052, 10305467946, 1016480307410, 154783529107972, 36032460970618398, 12930394865167766832, 7102572782942842968972, 6007897214058607933844528]

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

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