216111

Appears in sequences

• Numbers whose sum of digits s equals its product of digits and s + 1 and s - 1 are both prime.at n=32A061597
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.at n=11A316307
• Expansion of Product_{k>=1} 1/((1 - x^k)*(1 - x^(4*k))).at n=44A318027