39009

Appears in sequences

• Number of 3 X n 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.at n=37A223950
• Semiprimes sp of the form p^2 + q + 1 where p and q are consecutive primes.at n=16A242243
• Number of nX4 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=12A303310