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.

A221184 Number of colored quivers in the 4-mutation class of a quiver of Dynkin type A_n.

Table of values

n a(n)
0 1
1 1
2 3
3 19
4 118
5 931
6 7756
7 68685
8 630465
9 5966610
10 57805410
11 571178751
12 5737638778
13 58455577800
14 602859152496
15 6283968796705
16 66119469155523
17 701526880303315
18 7498841128986109
19 80696081185766970
20 873654669882574580

List of values

[1, 1, 3, 19, 118, 931, 7756, 68685, 630465, 5966610, 57805410, 571178751, 5737638778, 58455577800, 602859152496, 6283968796705, 66119469155523, 701526880303315, 7498841128986109, 80696081185766970, 873654669882574580]

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

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