310472

Appears in sequences

• Numbers n such that the sum_i (d_i^i) of the i-th powers of their sorted divisors d_1< d_2<...< n is prime.at n=15A180852
• 1/8 the number of (n+1)X2 0..3 arrays with all 2X2 subblock sums the same.at n=8A184021
• T(n,k)=1/8 the number of (n+1)X(k+1) 0..3 arrays with all 2X2 subblock sums the same.at n=36A184029