70240

Appears in sequences

• Expansion of (1-2*x-x^2)/((1-2*x)*(1-2*x+2*x^2)).at n=12A038508
• Number of length n+1 0..3 arrays with at most one downstep in every n consecutive neighbor pairs.at n=11A258731
• Numbers k such that 23*10^k - 7 is prime.at n=31A270738