A188791 Number of 8-step self-avoiding walks on an n X n X n X n 4-cube summed over all starting positions.

0, 24576, 3203232, 30437760, 125478336, 352052352, 794632800, 1558721152, 2770757712, 4578094656, 7148994304, 10672629120, 15359081712, 21439344832, 29165321376, 38809824384, 50666577040, 65050212672, 82296274752

Offset

1,2

Comments

Row 8 of A188784.

Links

R. H. Hardin, Table of n, a(n) for n = 1..43

Formula

Empirical: a(n) = 871256*n^4 - 5064008*n^3 + 10076736*n^2 - 8024256*n + 2111616 for n>6.

Crossrefs

Sequence in context: A229798 A195655 A203983 * A195650 A189184 A321148

Adjacent sequences: A188788 A188789 A188790 * A188792 A188793 A188794

Keyword

nonn

Author

R. H. Hardin Apr 10 2011

Status

approved