36314domain: NAppears in sequencesNumbers such that the digital sums in bases 3, 4, 5 and 6 all are equal.at n=32A135126Numbers such that the digital sums in bases 3, 4, 5, 6 and 7 all are equal.at n=18A135129a(0) = 1; a(n) = a(n-1) + Sum_{k=0..n-1} k^3 * a(k) * a(n-1-k).at n=5A386444