63944

Appears in sequences

• Witt vector *2!.at n=10A006173
• (1/p)*(binomial(2p,p)-2^p) as p runs through the primes.at n=4A087813
• Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = 2.at n=12A323798