257353

Properties

Appears in sequences

• n is prime and is the sum of the first k primes for some k, start from 5.at n=23A155851
• Eight bishops and one elephant on a 3 X 3 chessboard: a(n) = 2^(n+2)-3*F(n+1), with F(n) = A000045(n).at n=16A175661
• a(n) is the least prime p such that the orderly concatenation of the n successive powers of p yields a prime number; a(n)=0 if n is a multiple of 6.at n=44A292163
• Prime numbersat n=22626