[seqfan] A126042 - One step forward and two steps back
David Scambler
dscambler at bmm.com
Tue Mar 15 10:54:08 CET 2011
Literally,
number of non-negative walks of n steps where the steps are size 1 forwards and size 2 backwards = A126042<https://oeis.org/A126042>.
dave
More information about the SeqFan
mailing list