5726623744domain: NAppears in sequencesNumber of subsets of {1,2,3,...,n} that sum to 0 mod 6.at n=35A068012a(n) = (2*8^n + 2^n)/3.at n=11A082412a(n) = 10*a(n-2) - 16*a(n-4) for n>=4, with a(0)=a(1)=1, a(2)=6, a(3)=10.at n=22A083333