87173

Appears in sequences

• Number of (n+2) X 4 0..1 matrices with each 3 X 3 subblock idempotent.at n=20A224553
• Number of (n+3)X(2+3) 0..1 arrays with each row and column divisible by 13, read as a binary number with top and left being the most significant bits.at n=11A262483
• a(2) = 0, and otherwise a(n) is the least multiple of prime(n+1) whose decimal representation ends with that of prime(n).at n=39A333577