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.

A248851 a(n) = ( 2*n*(2*n^2 + 9*n + 14) + (-1)^n - 1 )/16.

Table of values

n a(n)
0 0
1 3
2 10
3 22
4 41
5 68
6 105
7 153
8 214
9 289
10 380
11 488
12 615
13 762
14 931
15 1123
16 1340
17 1583
18 1854
19 2154
20 2485
21 2848
22 3245
23 3677
24 4146
25 4653
26 5200
27 5788
28 6419
29 7094
30 7815
31 8583
32 9400
33 10267
34 11186
35 12158
36 13185
37 14268
38 15409
39 16609
40 17870
41 19193
42 20580
43 22032

List of values

[0, 3, 10, 22, 41, 68, 105, 153, 214, 289, 380, 488, 615, 762, 931, 1123, 1340, 1583, 1854, 2154, 2485, 2848, 3245, 3677, 4146, 4653, 5200, 5788, 6419, 7094, 7815, 8583, 9400, 10267, 11186, 12158, 13185, 14268, 15409, 16609, 17870, 19193, 20580, 22032]