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.

A189942 Table, read by rows, of the number of quivers of type Ã_(n-1) according to the parameter k (n >= 2, 1 <= k <= [n/2]).

Table of values

n a(n)
2 1
3 2
4 5
5 4
6 14
7 12
8 42
9 36
10 22
11 132
12 108
13 100
14 429
15 349
16 315
17 172
18 1430
19 1144
20 1028
21 980
22 4862
23 3868
24 3432
25 3240
26 1651
27 16796
28 13260
29 11700
30 10920
31 10584
32 58786
33 46210
34 40520
35 37556
36 36036
37 18028
38 208012
39 162792
40 142120
41 130900
42 124740
43 121968

List of values

[1, 2, 5, 4, 14, 12, 42, 36, 22, 132, 108, 100, 429, 349, 315, 172, 1430, 1144, 1028, 980, 4862, 3868, 3432, 3240, 1651, 16796, 13260, 11700, 10920, 10584, 58786, 46210, 40520, 37556, 36036, 18028, 208012, 162792, 142120, 130900, 124740, 121968]