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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.

A195235 Number of lower triangles of a 5 X 5 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.

Table of values

n a(n)
1 32768
2 127785
3 237818
4 348849
5 459880
6 570911
7 681942
8 792973
9 904004
10 1015035
11 1126066
12 1237097
13 1348128
14 1459159
15 1570190
16 1681221
17 1792252
18 1903283
19 2014314
20 2125345
21 2236376
22 2347407
23 2458438
24 2569469
25 2680500
26 2791531
27 2902562
28 3013593

List of values

[32768, 127785, 237818, 348849, 459880, 570911, 681942, 792973, 904004, 1015035, 1126066, 1237097, 1348128, 1459159, 1570190, 1681221, 1792252, 1903283, 2014314, 2125345, 2236376, 2347407, 2458438, 2569469, 2680500, 2791531, 2902562, 3013593]

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

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