76174

Appears in sequences

• Number of 4-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=37A187587
• Positive integers m such that none of the four consecutive numbers m, m+1, m+2, m+3 can be written as p^2 + q with p and q both prime.at n=20A258661
• a(n) is the dot product of the vectors of the first n primes and the next n primes.at n=18A337574