647460

Appears in sequences

• a(1) = 6; for n>1, a(n) = prime(n)*(prime(n)^2 - 1)/2.at n=28A117762
• Half of product of three numbers: n-th prime, previous and following number.at n=28A127918
• Orders of the finite groups PSL_2(K) when K is a finite field with q = A246655(n) elements.at n=38A352806