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.

A202123 Number of -7..7 arrays of n elements with first, second and third differences also in -7..7.

Table of values

n a(n)
1 15
2 169
3 1483
4 9739
5 65773
6 443169
7 2993875
8 20229855
9 136692527
10 923636217
11 6241166303
12 42172597643
13 284966475203
14 1925560567969
15 13011302413343
16 87919326690553
17 594084073349817
18 4014315174232981
19 27125329889094427

List of values

[15, 169, 1483, 9739, 65773, 443169, 2993875, 20229855, 136692527, 923636217, 6241166303, 42172597643, 284966475203, 1925560567969, 13011302413343, 87919326690553, 594084073349817, 4014315174232981, 27125329889094427]

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

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