94020

Appears in sequences

• Poincaré series for hyperbolic reflection group with Coxeter diagram shown in Comments.at n=17A265051
• Number T(n,k) of set partitions of [n] having exactly k triples (t,t+1,t+2) such that t+i is in block b+i for some b; triangle T(n,k), n>=0, 0<=k<=max(0,n-2), read by rows.at n=50A271206
• Total length of all longest runs of 0's in solus bitstrings of length n.at n=20A333394
• Integers k such that the difference between the sum of nonprime numbers and the sum of prime numbers <= k is a square.at n=12A373945