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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.

A099716 Consider the family of multigraphs enriched by the species of trees. Sequence gives number of those multigraphs with n labeled edges.

Table of values

n a(n)
0 1
1 1
2 3
3 18
4 170
5 2244
6 38686
7 834594
8 21874433
9 681399298
10 24797467947
11 1039645748808
12 49632586028650
13 2671404673776080
14 160726892084432840
15 10729582290405547592
16 789572236551678855603
17 63682341168165082629698
18 5600777517339868668401105

List of values

[1, 1, 3, 18, 170, 2244, 38686, 834594, 21874433, 681399298, 24797467947, 1039645748808, 49632586028650, 2671404673776080, 160726892084432840, 10729582290405547592, 789572236551678855603, 63682341168165082629698, 5600777517339868668401105]

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

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