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.

A202662 Number of -6..6 arrays of n elements with first through fourth differences also in -6..6.

Table of values

n a(n)
1 13
2 127
3 967
4 5509
5 23425
6 101567
7 438177
8 1895197
9 8198571
10 35463355
11 153408903
12 663650521
13 2870932567
14 12419542739
15 53726653631
16 232420358051
17 1005444905517
18 4349531110857
19 18815972516807
20 81397465699935
21 352123564686167

List of values

[13, 127, 967, 5509, 23425, 101567, 438177, 1895197, 8198571, 35463355, 153408903, 663650521, 2870932567, 12419542739, 53726653631, 232420358051, 1005444905517, 4349531110857, 18815972516807, 81397465699935, 352123564686167]

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

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