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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.

A361210 Number of labeled digraphs on [n] with exactly 1 in-node and exactly 1 out-node.

Table of values

n a(n)
0 0
1 1
2 2
3 15
4 588
5 83295
6 40993230
7 70413420511
8 433343743592312
9 9825711749274316671
10 840137012096473747415610
11 275596225117501271622460109871
12 351011149451321734143551287903432452
13 1749719217881846572487198585072701742763487
14 34317835907818751756576624929762210160396817182918

List of values

[0, 1, 2, 15, 588, 83295, 40993230, 70413420511, 433343743592312, 9825711749274316671, 840137012096473747415610, 275596225117501271622460109871, 351011149451321734143551287903432452, 1749719217881846572487198585072701742763487, 34317835907818751756576624929762210160396817182918]

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

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