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.

A345013 Triangle read by rows, related to clusters of type D.

Table of values

n a(n)
1 1
2 4
3 3
4 15
5 20
6 6
7 56
8 105
9 60
10 10
11 210
12 504
13 420
14 140
15 15
16 792
17 2310
18 2520
19 1260
20 280
21 21
22 3003
23 10296
24 13860
25 9240
26 3150
27 504
28 28
29 11440
30 45045
31 72072
32 60060
33 27720
34 6930
35 840
36 36

List of values

[1, 4, 3, 15, 20, 6, 56, 105, 60, 10, 210, 504, 420, 140, 15, 792, 2310, 2520, 1260, 280, 21, 3003, 10296, 13860, 9240, 3150, 504, 28, 11440, 45045, 72072, 60060, 27720, 6930, 840, 36]