40548

Appears in sequences

• Numbers k such that 115*2^k+1 is prime.at n=16A032407
• Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n and having k ascents of length 4 (0<=k<=floor(n/4)). Also number of ordered trees with n edges which have k vertices of outdegree 4.at n=21A114508
• Number of Dyck paths of semilength n having no ascents of length 4.at n=11A114509
• Numbers of the form ab such that uphi(ab) = a*b where ab is the concatenation of a and b.at n=40A337523