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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.

A215856 Number of simple labeled graphs on n nodes with exactly 6 connected components that are trees or cycles.

Table of values

n a(n)
6 1
7 21
8 434
9 8694
10 183099
11 4138827
12 101682724
13 2726328033
14 79746709042
15 2537322057270
16 87447979819018
17 3249640607490732
18 129613729260208069
19 5525005710150786189
20 250709547490889697735
21 12067446246711780717009
22 614138343777115783675203

List of values

[1, 21, 434, 8694, 183099, 4138827, 101682724, 2726328033, 79746709042, 2537322057270, 87447979819018, 3249640607490732, 129613729260208069, 5525005710150786189, 250709547490889697735, 12067446246711780717009, 614138343777115783675203]

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

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