59907600

Appears in sequences

• Let the n-th Carmichael number A002997(n) = p1*p2*...*pr, where p1 < p2 < ... < pr are primes. Then a(n) = (p1-1) * (p1*p2*...*pr - 1)^(r-2) / ((p2-1)*...*(pr-1)).at n=27A180044
• Number of (n+2)X4 binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=8A202486