42848domain: NAppears in sequencesRow sums in A100781.at n=31A100784a(n) = 4*(3*n+1)*(3*n+2).at n=34A144410Number of partitions p of n such that (number of numbers of the form 3k in p) is a part of p.at n=43A241546a(n) = n! * Sum_{d|n} 1/((d-1)! * (n/d)!^(d-1)).at n=7A370603