Number of irreducible, unrooted, unoriented self-avoiding chains of length n for the simple cubic lattice.

A334329

Number of irreducible, unrooted, unoriented self-avoiding chains of length n for the simple cubic lattice.

Terms

    a(0) =3a(1) =6a(2) =20a(3) =72a(4) =276a(5) =1082a(6) =4356a(7) =17838a(8) =74100a(9) =311658a(10) =1325472a(11) =5677764a(12) =24530808a(13) =106487448a(14) =465271864a(15) =2039929380a(16) =8988480384a(17) =39714136328a(18) =176145529368a(19) =783061155762

External references