111492

Appears in sequences

• G.f. 1/(1-6*x*c(x)) where c(x) is the g.f. of A000108.at n=6A127628
• Number of 9-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=9A187383
• Numbers on the square spiral board that are enclosed by four primes.at n=35A341542
• a(n) = Sum_{k=1..n} tau(gcd(k,n))^(n/gcd(k,n)), where tau(n) is the number of divisors of n.at n=27A344195