The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.
Year-end appeal: Please make a donation to the OEIS Foundation
to support ongoing development and maintenance of the OEIS.
We are now in our 56th year, we are closing in on 350,000 sequences,
and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).
Number of simple Hamiltonian graphs on n nodes which do not satisfy the Ore criterion for Hamiltonicity.