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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.

A007112 Number of connected unlabeled graphs with n nodes and degree >= 3.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 3
6 19
7 150
8 2589
9 84242
10 5203110
11 577076528
12 113373005661
13 39618075274687
14 24916469690421103
15 28563628406172313565
16 60366734880279992689057
17 237406976195431811992516687
18 1750330442243433249473074447457
19 24333391254830431938389159467111420
20 640811881795531742198398521689947259687

List of values

[0, 0, 0, 1, 3, 19, 150, 2589, 84242, 5203110, 577076528, 113373005661, 39618075274687, 24916469690421103, 28563628406172313565, 60366734880279992689057, 237406976195431811992516687, 1750330442243433249473074447457, 24333391254830431938389159467111420, 640811881795531742198398521689947259687]

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

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