77024

Appears in sequences

• a(n) = floor( n*(n-1)*(n-2)*(n-3)/23 ).at n=38A011933
• Let s denote the sum of the abundant numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s) = usigma(x), where usigma(x) is the sum of the unitary divisors of x (A034448).at n=20A258135
• a(n) = Sum_{d|n} (-1)^(n/d-1) * binomial(d+3,4).at n=35A366814