8636355

Appears in sequences

• a(n) is the denominator of polygamma(2n+1, 1) / Pi^(2n+2).at n=17A255007
• Numbers k >= 3 where a record value of log(phi(k))/log(lambda(k)) is reached, where phi is the Euler totient function (A000010) and lambda is the Carmichael lambda function (A002322).at n=11A328272