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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.

A060516 Number of series-reduced (or homeomorphically irreducible) graphs with loops on n labeled nodes.

Table of values

n a(n)
0 1
1 1
2 5
3 26
4 328
5 9700
6 711836
7 111817032
8 35130791054
9 21495893690664
10 25409892375220474
11 58052821046020873856
12 257486314335782707924088
13 2230295461268044025586193298
14 37948847404292424846290915818844

List of values

[1, 1, 5, 26, 328, 9700, 711836, 111817032, 35130791054, 21495893690664, 25409892375220474, 58052821046020873856, 257486314335782707924088, 2230295461268044025586193298, 37948847404292424846290915818844]

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

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