74726

Appears in sequences

• Numbers k such that 11*2^k - 1 is prime.at n=16A001772
• Number of (n+1) X 3 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=40A204645