84788

Appears in sequences

• a(n) = ceiling( 4^n/20 - (n^2 + 1)*2^(n-1) ).at n=11A188162
• Sequence lists numbers k > 1 such that k^3 == phi(k) (mod sigma(k)), where phi = A000010 and sigma = A000203.at n=4A324215
• Least k such that there are exactly A003586(n) ways to choose a binary index of each binary index of k.at n=33A368111