48811domain: NAppears in sequencesIccanobirt numbers (12 of 15): a(n) = R(R(a(n-1)) + a(n-2) + a(n-3)), where R is the digit reversal function A004086.at n=16A102122Number of n X 3 0..1 arrays with rows, antidiagonals and columns unimodal.at n=8A223632a(n) = Sum_{k=0..floor(2*n/7)} binomial(2*k,2*n-7*k).at n=36A392430