84725

Appears in sequences

• Number of n-covers of an unlabeled 3-set.at n=17A005745
• Number of length 1+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.at n=13A248988
• Let m(k) be the index of the largest triangular number <= k; then a(n) is the smallest number k that can be written as the sum of three triangular numbers if the largest is the (m(k)-n)-th triangular number, but no larger.at n=20A331753
• Number of compositions (ordered partitions) of n into distinct parts such that the average of the parts is an integer.at n=35A339175
• a(n) = (A006935(n) - 1) / ord(2,A006935(n)/2), where ord(k,m) is the multiplicative order of k modulo m.at n=27A350083