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.

A290398 Number of tiles in distance d from a given heptagon in the truncated order-3 tiling of the heptagonal plane (a.k.a. the "hyperbolic soccerball").

Table of values

n a(n)
0 1
1 7
2 14
3 28
4 49
5 84
6 147
7 252
8 434
9 749
10 1288
11 2219
12 3822
13 6580
14 11333
15 19516
16 33607
17 57876
18 99666
19 171633
20 295568
21 508991
22 876526
23 1509452
24 2599401
25 4476388
26 7708715
27 13275052
28 22860754
29 39368133
30 67795224
31 116749059
32 201051662
33 346227812
34 596233309

List of values

[1, 7, 14, 28, 49, 84, 147, 252, 434, 749, 1288, 2219, 3822, 6580, 11333, 19516, 33607, 57876, 99666, 171633, 295568, 508991, 876526, 1509452, 2599401, 4476388, 7708715, 13275052, 22860754, 39368133, 67795224, 116749059, 201051662, 346227812, 596233309]