104388

Appears in sequences

• Numbers k such that 3^k - 20 is prime.at n=29A219041
• Number of n X 4 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=22A223834
• G.f. satisfies: A(x) = (A(x^2) + x)^2.at n=40A224272