65943

Appears in sequences

• Sum of the products of the primes taken 2 at a time from the first n primes.at n=15A024447
• a(n) = A027113(n, n+3).at n=13A027116
• Number of (n+2) X 8 binary arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=19A190030
• a(0)=1; a(1)=1; for n >= 2, a(n) = a(n-1) + a(n-A000005(n)).at n=31A320357