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.

A383175 Number of compositions of n such that any fixed point k can be k different colors.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 10
5 22
6 48
7 101
8 213
9 450
10 945
11 1961
12 4064
13 8385
14 17242
15 35332
16 72141
17 146924
18 298552
19 605377
20 1225277
21 2475912
22 4995754
23 10067848
24 20267680
25 40762951
26 81916919
27 164504411
28 330155437
29 662265817
30 1327860471
31 2661376529
32 5332341881
33 10680912173

List of values

[1, 1, 2, 5, 10, 22, 48, 101, 213, 450, 945, 1961, 4064, 8385, 17242, 35332, 72141, 146924, 298552, 605377, 1225277, 2475912, 4995754, 10067848, 20267680, 40762951, 81916919, 164504411, 330155437, 662265817, 1327860471, 2661376529, 5332341881, 10680912173]

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

Content is available under The OEIS End-User License Agreement.