45829

Appears in sequences

• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 111-110-111 pattern in any orientation.at n=12A146283
• The five digits of a(n) and their four successive absolute first differences are all distinct.at n=23A365257
• Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = Sum_{j=k..n} 2^(n-j) * Stirling2(n,j) * Stirling2(j,k).at n=30A383206
• Expansion of e.g.f. (exp(f(x)) - 1)^2 / 2, where f(x) = (exp(2*x) - 1)/2.at n=7A383207