93058domain: NAppears in sequencesa(n) = Sum_{k=0,1,2,...,n-4,n-2,n-1} a(k); a(n-3) is not a summand, with a(0)=a(1)=a(2)=1.at n=20A049864Integers that are Rhonda numbers to base 16.at n=26A100975