29229255domain: NAppears in sequencesSecond binomial transform of C(n+2,2).at n=13A081892(n-1)-st elementary symmetric function of the first n terms of A010684.at n=26A203230Integers k such that Sum_{i=1..t-1} d(i)/d(i+1) is prime, where d(1), ..., d(t) are the divisors of k in ascending order.at n=15A255576