64015

Appears in sequences

• a(n) = Lucas(n+4) - (3*n+7).at n=18A023537
• a(n) = Lucas(2*n+3) - (6*n+4).at n=9A027000
• First n-digit number to appear twice in a row in the decimal expansion of Pi.at n=4A290977
• Numbers k such that d(k) > d(k+1) > d(k+2) > d(k+3) > d(k+4), where d(n) is the number of divisors of n.at n=7A364720