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.

A323296 Number of 3-uniform hypergraphs spanning n labeled vertices where no two edges have exactly one vertex in common.

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 11
5 10
6 25
7 406
8 4823
9 15436
10 72915
11 895180
12 11320441
13 71777498
14 519354927
15 6155284240
16 82292879425
17 788821735656
18 7772567489083
19 98329764933354
20 1400924444610675
21 17424772471470490
22 216091776292721021
23 3035845122991962688
24 46700545575567202903

List of values

[1, 0, 0, 1, 11, 10, 25, 406, 4823, 15436, 72915, 895180, 11320441, 71777498, 519354927, 6155284240, 82292879425, 788821735656, 7772567489083, 98329764933354, 1400924444610675, 17424772471470490, 216091776292721021, 3035845122991962688, 46700545575567202903]