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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.

A367916 Number of sets of nonempty subsets of {1..n} with the same number of edges as covered vertices.

Table of values

n a(n)
0 1
1 2
2 6
3 45
4 1376
5 161587
6 64552473
7 85987037645
8 386933032425826
9 6005080379837219319
10 328011924848834642962619
11 64153024576968812343635391868
12 45547297603829979923254392040011994
13 118654043008142499115765307533395739785599

List of values

[1, 2, 6, 45, 1376, 161587, 64552473, 85987037645, 386933032425826, 6005080379837219319, 328011924848834642962619, 64153024576968812343635391868, 45547297603829979923254392040011994, 118654043008142499115765307533395739785599]

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

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