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.

A213943 Row sums of partition array A213939 and triangle A213940: number of representative bracelets with n beads and up to n colors.

Table of values

n a(n)
1 1
2 2
3 3
4 9
5 28
6 144
7 832
8 6012
9 48447
10 444198
11 4469834
12 49650464
13 597810739
14 7809600123
15 109524985564
16 1646900490716
17 26373465572350
18 448901183773766
19 8083772124339442
20 153686286512223573
21 3074405841292532560
22 64582422678961767945

List of values

[1, 2, 3, 9, 28, 144, 832, 6012, 48447, 444198, 4469834, 49650464, 597810739, 7809600123, 109524985564, 1646900490716, 26373465572350, 448901183773766, 8083772124339442, 153686286512223573, 3074405841292532560, 64582422678961767945]

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

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