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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.

A348410 Number of nonnegative integer solutions to n = Sum_{i=1..n} (a_i + b_i), with b_i even.

Table of values

n a(n)
0 1
1 1
2 5
3 19
4 85
5 376
6 1715
7 7890
8 36693
9 171820
10 809380
11 3830619
12 18201235
13 86770516
14 414836210
15 1988138644
16 9548771157
17 45948159420
18 221470766204
19 1069091485500
20 5167705849460
21 25009724705460
22 121171296320475
23 587662804774890
24 2852708925078675
25 13859743127937876

List of values

[1, 1, 5, 19, 85, 376, 1715, 7890, 36693, 171820, 809380, 3830619, 18201235, 86770516, 414836210, 1988138644, 9548771157, 45948159420, 221470766204, 1069091485500, 5167705849460, 25009724705460, 121171296320475, 587662804774890, 2852708925078675, 13859743127937876]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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