176206

Appears in sequences

• Triangle, read by rows, where T(n,k) = n*T(n-1,k-1) + T(n-1,k-2) for n>0 and k>1, with T(n,0) = T(n-1,n-1) and T(n,1) = n*T(n-1,0) for n>0 and T(0,0) = 1.at n=48A132005
• Numbers k such that k^(2^13) + 1 is prime (a generalized Fermat prime).at n=11A226528