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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.

A194785 Number of lower triangles of a (2n+5)X(2n+5) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.

Table of values

n a(n)
1 79
2 1101
3 10121
4 80961
5 631373
6 5029741
7 41587186
8 358138793
9 3210593393
10 29914171526
11 289187454251

List of values

[79, 1101, 10121, 80961, 631373, 5029741, 41587186, 358138793, 3210593393, 29914171526, 289187454251]

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

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