A382159 Number of n-node acyclic digraphs, not necessarily connected, which are squares.
1, 1, 2, 5, 17, 81, 600, 7182, 142425, 4664203, 4071974770
Offset: 0
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.
Comments