66907

Appears in sequences

• Number of 8k+1 primes (A007519) in range ]2^n,2^(n+1)].at n=21A095009
• Number of lower triangles of a 4 X 4 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.at n=29A195234
• Numbers k such that 3^k + 26 is prime.at n=37A219044
• Total number of binary digits used to write all partitions of n in binary notation.at n=27A318756
• G.f. = ((2+3*x)/(1-x^2-x^3))^2.at n=24A350602