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.

A091356 Number of planar partitions of n with exactly 2 rows.

Table of values

n a(n)
2 1
3 2
4 5
5 9
6 18
7 30
8 53
9 85
10 139
11 215
12 336
13 504
14 760
15 1115
16 1635
17 2351
18 3375
19 4770
20 6725
21 9368
22 13006
23 17885
24 24510
25 33319
26 45139
27 60743
28 81457
29 108610
30 144334
31 190844
32 251542
33 330082
34 431825
35 562710
36 731154
37 946644
38 1222305
39 1573155
40 2019471

List of values

[1, 2, 5, 9, 18, 30, 53, 85, 139, 215, 336, 504, 760, 1115, 1635, 2351, 3375, 4770, 6725, 9368, 13006, 17885, 24510, 33319, 45139, 60743, 81457, 108610, 144334, 190844, 251542, 330082, 431825, 562710, 731154, 946644, 1222305, 1573155, 2019471]

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

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