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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.

A020559 Number of ordered multigraphs on n labeled edges (with loops).

Table of values

n a(n)
0 1
1 2
2 11
3 97
4 1219
5 20385
6 433022
7 11296844
8 352866598
9 12938878499
10 548257129281
11 26503637228615
12 1446212232918009
13 88278080019931590
14 5981590442549971867
15 446907535344317788261
16 36602523445840041088223

List of values

[1, 2, 11, 97, 1219, 20385, 433022, 11296844, 352866598, 12938878499, 548257129281, 26503637228615, 1446212232918009, 88278080019931590, 5981590442549971867, 446907535344317788261, 36602523445840041088223]

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

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