46984

Appears in sequences

• Number of n X n symmetric 0..4 arrays with no element equal to the sum mod 5 of any two of its horizontal and vertical neighbors.at n=3A193222
• Even numbers that are not the sum or difference of two binary palindromes (A006995).at n=25A290424
• Numbers k such that k * 18^k - 1 is prime.at n=17A299381
• Square array T(n,k), n >= 1, k >= 2, read by antidiagonals, where T(n,k) is the number of Hamiltonian paths in the n X k grid graph which start at any of the n vertices on left side of the graph and terminate at any of the n vertices on the right side.at n=59A333571
• Expansion of e.g.f. exp(g^4 - 1), where g = 1+x*g^4 is the g.f. of A002293.at n=4A391550