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.

A048140 Number of planar partitions of n, but partitions that are mirror images of each other (when regarded as 3-D objects) are counted only once.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 14
6 27
7 47
8 86
9 149
10 261
11 444
12 760
13 1269
14 2119
15 3486
16 5711
17 9247
18 14906
19 23800
20 37816
21 59622
22 93528
23 145759
24 226071
25 348612
26 535131
27 817280
28 1242824
29 1881310
30 2836377
31 4258509
32 6369669
33 9491142
34 14092537
35 20851146
36 30749471

List of values

[1, 2, 4, 8, 14, 27, 47, 86, 149, 261, 444, 760, 1269, 2119, 3486, 5711, 9247, 14906, 23800, 37816, 59622, 93528, 145759, 226071, 348612, 535131, 817280, 1242824, 1881310, 2836377, 4258509, 6369669, 9491142, 14092537, 20851146, 30749471]