86994

Appears in sequences

• Numbers k such that A109631(k) + A109631(k+1) = A109631(k+2).at n=14A109651
• Number of simple connected graphs with n nodes that are non-integral and have no subgraph isomorphic to diamond graph.at n=9A243563
• Numbers such that the decimal digits of sigma(n) are a permutation of those of sigma(n)-n.at n=31A277114