Number of endless self-avoiding walks of length 2*n for the honeycomb lattice.

A334330

Number of endless self-avoiding walks of length 2*n for the honeycomb lattice.

Terms

    a(0) =1a(1) =6a(2) =18a(3) =60a(4) =210a(5) =726a(6) =2448a(7) =8448a(8) =28818a(9) =98556a(10) =336618a(11) =1150320a(12) =3928944a(13) =13419204a(14) =45828192a(15) =156512220a(16) =534463698a(17) =1825120584a(18) =6232259412a(19) =21281168202a(20) =72666555570a(21) =248124503652a(22) =847224827676

External references