560596domain: NAppears in sequencesa(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=0, a(1)=3.at n=26A022308a(n) = Sum_{k=0..floor(n/2)} A026615(n-k,k).at n=27A026625Number of consecutive integers placed in n bins under a certain packing scheme.at n=13A031506Indices k where A057176(k) = 4.at n=31A086838