80926
domain: N
Appears in sequences
- Number of binary strings of length n with no substrings equal to 0000, 0111 or 1110.at n=20A164443
- Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7.at n=20A251887
- Number of unlabeled connectedness systems on n vertices.at n=5A326867
- Number of series/singleton-reduced rooted trees on strongly normal multisets of size n whose leaves are sets (not necessarily disjoint).at n=7A330628