40646320

Appears in sequences

• Smallest number of the form n*k + 1 that is divisible by all the phi(n) numbers less than n and relatively prime to n.at n=19A084715
• Number of one-sided prudent walks from (0,0) to (n,n), with 3+n east steps, 3 west steps and n north steps.at n=9A189769
• a(n) = 24*(3*n + 1)!/(n!*((n + 2)!)^2).at n=7A368875