54110

Appears in sequences

• Number of primes of the form x^2 + 1 < 10^n.at n=11A083844
• Number of primes of the form b^2 + 1 for b <= 10^n.at n=6A206709
• Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the minimum minus the lower median of every 2X2 subblock.at n=1A236502
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the minimum minus the lower median of every 2X2 subblock.at n=4A236505