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.

A278296 Expansion of ((sqrt(2)-1)*(-sqrt(2);x)_inf - (sqrt(2)+1)*(sqrt(2);x)_inf)/2, where (a;q)_inf is the q-Pochhammer symbol.

Table of values

n a(n)
0 1
1 0
2 0
3 2
4 2
5 4
6 4
7 6
8 6
9 8
10 12
11 14
12 18
13 24
14 32
15 38
16 50
17 60
18 76
19 90
20 110
21 136
22 164
23 194
24 234
25 280
26 336
27 402
28 474
29 564
30 668
31 790
32 926
33 1096
34 1276
35 1494
36 1754
37 2040
38 2368
39 2758
40 3186
41 3692
42 4268
43 4922
44 5670
45 6528
46 7492
47 8594
48 9858
49 11272
50 12888
51 14722
52 16786

List of values

[1, 0, 0, 2, 2, 4, 4, 6, 6, 8, 12, 14, 18, 24, 32, 38, 50, 60, 76, 90, 110, 136, 164, 194, 234, 280, 336, 402, 474, 564, 668, 790, 926, 1096, 1276, 1494, 1754, 2040, 2368, 2758, 3186, 3692, 4268, 4922, 5670, 6528, 7492, 8594, 9858, 11272, 12888, 14722, 16786]