The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #20 Feb 20 2021 16:10:25
%S 1,3,9,33,123,489,1947,7977,32817,137253,576993,2452071,10468245,
%T 45032733,194475321,844608567,3680153043,16105438515,70677344403,
%U 311242931097,1373860647453,6081635195553
%N Number of n-step self-avoiding paths on the first octant of a 3-dimensional cubic lattice, starting at the origin.
%Y Cf. A039618, A005566.
%K nonn,walk,more
%O 0,2
%A _David W. Wilson_
%E a(19)-a(21) from _Scott R. Shannon_, Aug 14 2020
%E Title clarified by _Sean A. Irvine_, Feb 20 2021