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.

A224668 Number of 6 X 6 0..n matrices with each 2 X 2 subblock idempotent.

Table of values

n a(n)
1 428
2 542
3 668
4 806
5 956
6 1118
7 1292
8 1478
9 1676
10 1886
11 2108
12 2342
13 2588
14 2846
15 3116
16 3398
17 3692
18 3998
19 4316
20 4646
21 4988
22 5342
23 5708
24 6086
25 6476
26 6878
27 7292
28 7718
29 8156
30 8606
31 9068
32 9542
33 10028
34 10526
35 11036
36 11558
37 12092
38 12638
39 13196
40 13766
41 14348

List of values

[428, 542, 668, 806, 956, 1118, 1292, 1478, 1676, 1886, 2108, 2342, 2588, 2846, 3116, 3398, 3692, 3998, 4316, 4646, 4988, 5342, 5708, 6086, 6476, 6878, 7292, 7718, 8156, 8606, 9068, 9542, 10028, 10526, 11036, 11558, 12092, 12638, 13196, 13766, 14348]