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.

A202122 Number of -6..6 arrays of n elements with first, second and third differences also in -6..6.

Table of values

n a(n)
1 13
2 127
3 967
4 5509
5 32267
6 188505
7 1104357
8 6471075
9 37917347
10 222179581
11 1301902689
12 7628745319
13 44701958081
14 261938834035
15 1534876473727
16 8993877595975
17 52701197650513
18 308811879264259
19 1809537203539017

List of values

[13, 127, 967, 5509, 32267, 188505, 1104357, 6471075, 37917347, 222179581, 1301902689, 7628745319, 44701958081, 261938834035, 1534876473727, 8993877595975, 52701197650513, 308811879264259, 1809537203539017]

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

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