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.

A273090 Rectangular array A read by upward antidiagonals in which the entry A(n,k) in row k and column n gives the number of families of symmetric radially generated monohedral tilings of the disk (each tiling contains 2*(2*n+1)*k congruent tiles), k >= 1, n >= 1.

Table of values

n a(n)
1 2
2 62
3 2
4 116
5 1532
6 2
7 200
8 6402
9 50830
10 2
11 318
12 19884
13 446930
14 1855110
15 2
16 476
17 51128
18 2460462
19 34121322
20 71292624
21 2
22 682
23 115188
24 10106370
25 332112068
26 2741227176
27 2833906726
28 2
29 946
30 235180
31 33905948
32 2177193500
33 47162138964

List of values

[2, 62, 2, 116, 1532, 2, 200, 6402, 50830, 2, 318, 19884, 446930, 1855110, 2, 476, 51128, 2460462, 34121322, 71292624, 2, 682, 115188, 10106370, 332112068, 2741227176, 2833906726, 2, 946, 235180, 33905948, 2177193500, 47162138964]