61088

Appears in sequences

• a(n) = floor( n*(n-1)*(n-2)*(n-3)/29 ).at n=38A011939
• 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=18A258135
• Number of partitions of 2^n-1 into two summands >= 0 having a common divisor > 1.at n=17A378514