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.

A036674 G.f.: A(x) = (1/2)*x*(B(x)^2+B(x^2)), where B(x) = g.f. for A000600.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 1
10 1
11 4
12 10
13 30
14 78
15 221
16 590
17 1619
18 4366
19 11858
20 32029
21 86744
22 234487
23 634630
24 1717133
25 4649560
26 12593571
27 34133104
28 92560816
29 251166524
30 681957954
31 1852822658
32 5037107601
33 13702625939
34 37298828081

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 4, 10, 30, 78, 221, 590, 1619, 4366, 11858, 32029, 86744, 234487, 634630, 1717133, 4649560, 12593571, 34133104, 92560816, 251166524, 681957954, 1852822658, 5037107601, 13702625939, 37298828081]