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.

A249153 Exponent of 2 in the hyperfactorial of 2n: a(n) = A007814(A002109(2n)).

Table of values

n a(n)
0 0
1 2
2 10
3 16
4 40
5 50
6 74
7 88
8 152
9 170
10 210
11 232
12 304
13 330
14 386
15 416
16 576
17 610
18 682
19 720
20 840
21 882
22 970
23 1016
24 1208
25 1258
26 1362
27 1416
28 1584
29 1642
30 1762
31 1824
32 2208
33 2274
34 2410
35 2480
36 2696
37 2770
38 2922
39 3000
40 3320
41 3402
42 3570
43 3656
44 3920
45 4010
46 4194
47 4288
48 4768
49 4866
50 5066
51 5168
52 5480
53 5586
54 5802
55 5912

List of values

[0, 2, 10, 16, 40, 50, 74, 88, 152, 170, 210, 232, 304, 330, 386, 416, 576, 610, 682, 720, 840, 882, 970, 1016, 1208, 1258, 1362, 1416, 1584, 1642, 1762, 1824, 2208, 2274, 2410, 2480, 2696, 2770, 2922, 3000, 3320, 3402, 3570, 3656, 3920, 4010, 4194, 4288, 4768, 4866, 5066, 5168, 5480, 5586, 5802, 5912]