60717

Appears in sequences

• Numbers n such that 2*10^n + 8*R_n - 7 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=13A102960
• Number of length 5 1..(n+2) arrays with no leading or trailing partial sum equal to a prime.at n=13A254208
• Number of multiset partitions of integer partitions of n such that all blocks are gapless.at n=19A356941