A308556 Number of (not necessarily connected) ungraceful graphs on n nodes.
0, 1, 2, 4, 12, 30, 85, 300
Offset: 1
Links
- Eric Weisstein's World of Mathematics, Graceful Graph
Formula
Extensions
a(8) from Eric W. Weisstein, Aug 16 2019
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.