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.

A214386 Number of 4X4X4 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and no element equal to its horizontal neighbors.

Table of values

n a(n)
1 16
2 890
3 11048
4 74260
5 350232
6 1305392
7 4107248
8 11363940
9 28412824
10 65439858
11 140806952
12 286079040
13 553378176
14 1025850192
15 1832212128
16 3166557496
17 5314833216
18 8689668506
19 13875533864
20 21686539292
21 33239546824
22 50045674976

List of values

[16, 890, 11048, 74260, 350232, 1305392, 4107248, 11363940, 28412824, 65439858, 140806952, 286079040, 553378176, 1025850192, 1832212128, 3166557496, 5314833216, 8689668506, 13875533864, 21686539292, 33239546824, 50045674976]