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.

A048222 a(n)=Sum{T(n,j): j=1,2,...,n}, array T given by A048212.

Table of values

n a(n)
1 2
2 4
3 16
4 40
5 80
6 134
7 218
8 338
9 482
10 682
11 924
12 1212
13 1537
14 1901
15 2381
16 2909
17 3487
18 4153
19 4875
20 5695
21 6640
22 7674
23 8778
24 10050
25 11450
26 12984
27 14631
28 16367
29 18223
30 20263
31 22402
32 24770
33 27278
34 29896
35 32626
36 35542
37 38650
38 41956

List of values

[2, 4, 16, 40, 80, 134, 218, 338, 482, 682, 924, 1212, 1537, 1901, 2381, 2909, 3487, 4153, 4875, 5695, 6640, 7674, 8778, 10050, 11450, 12984, 14631, 16367, 18223, 20263, 22402, 24770, 27278, 29896, 32626, 35542, 38650, 41956]