90341

Appears in sequences

• Numbers n such that 91*2^n-1 is prime.at n=37A050571
• Numbers n with property that n^2 starts and ends with 81.at n=23A159775
• a(n) = (1/4)*n^4 - (1/2)*n^3 + (3/4)*n^2 - (1/2)*n + 41.at n=24A259552