1908874584

Appears in sequences

• An intermediate sequence for nonisomorphic circulant p^2-tournaments, indexed by odd primes p.at n=10A038791
• Number of subsets of {1,2,3,...,n} that sum to 0 mod 9.at n=34A068030
• Number of subsets of {1,2,3,...,n} that sum to 0 mod 18.at n=35A068039
• Number of solutions to 1 +- 2 +- 3 +- ... +- n == 0 (mod n).at n=35A300190
• Number of solutions to 1 +- 3 +- 5 +- ... +- (2*n-1) == 0 mod n.at n=35A300218