69659

Appears in sequences

• a(n) = a(n-1) + 2*a(n-3).at n=21A003476
• Numbers 41*k such that 41*k+2 and 41*k-6 are both prime.at n=22A153822
• Number of 5-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=38A187510
• Shiraishi numbers: a parametrized family of solutions c to the Diophantine equation a^3 + b^3 + c^3 = d^3 with d = c+1.at n=38A226903