23613

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/9).at n=23A011919
• First of two sequences bisecting the second differences of the partition numbers (see A053445).at n=30A160644
• Numbers k such that 6*prime(k) -+ {1,5} are all prime.at n=32A174393