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.

A327890 Number of colored integer partitions of n using all colors of a 2-set such that parts i have distinct color patterns in arbitrary order and each pattern for a part i has i colors in (weakly) increasing order.

Table of values

n a(n)
0 0
1 0
2 3
3 6
4 21
5 42
6 90
7 176
8 348
9 640
10 1203
11 2152
12 3848
13 6692
14 11701
15 19968
16 33966
17 56952
18 95300
19 157326
20 258736
21 421240
22 683804
23 1099830
24 1762867
25 2805154
26 4446826
27 7005486
28 10999634
29 17172894
30 26716627
31 41362952
32 63837722
33 98079482
34 150216194
35 229155682

List of values

[0, 0, 3, 6, 21, 42, 90, 176, 348, 640, 1203, 2152, 3848, 6692, 11701, 19968, 33966, 56952, 95300, 157326, 258736, 421240, 683804, 1099830, 1762867, 2805154, 4446826, 7005486, 10999634, 17172894, 26716627, 41362952, 63837722, 98079482, 150216194, 229155682]