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.

A271036 Number of 4 X 4 X 4 triangular 0..n arrays with some element less than a w, nw or ne neighbor exactly once.

Table of values

n a(n)
1 34
2 450
3 3114
4 15116
5 58036
6 188034
7 535106
8 1373944
9 3244098
10 7143708
11 14829100
12 29262168
13 55258840
14 100405196
15 176323116
16 300384832
17 497995586
18 805585902
19 1274479910
20 1975833860
21 3006869580
22 4498661310
23 6625771230
24 9618069240

List of values

[34, 450, 3114, 15116, 58036, 188034, 535106, 1373944, 3244098, 7143708, 14829100, 29262168, 55258840, 100405196, 176323116, 300384832, 497995586, 805585902, 1274479910, 1975833860, 3006869580, 4498661310, 6625771230, 9618069240]

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

Content is available under The OEIS End-User License Agreement.