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.

A258471 Number of partitions of 2n into two sorts of parts having exactly n parts of the second sort.

Table of values

n a(n)
0 1
1 3
2 11
3 41
4 155
5 590
6 2258
7 8677
8 33454
9 129335
10 501180
11 1945997
12 7569223
13 29487091
14 115029830
15 449288570
16 1756808604
17 6876430799
18 26940317004
19 105635470645
20 414528962220
21 1627841401281
22 6396735649200
23 25152046015693
24 98955167336425
25 389526824102747

List of values

[1, 3, 11, 41, 155, 590, 2258, 8677, 33454, 129335, 501180, 1945997, 7569223, 29487091, 115029830, 449288570, 1756808604, 6876430799, 26940317004, 105635470645, 414528962220, 1627841401281, 6396735649200, 25152046015693, 98955167336425, 389526824102747]

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

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