OFFSET
1,2
COMMENTS
Paths down a n-high staggered-grid minimally right-leaning right triangle with interior neighbor fanout 2*4
Column 4 of A180915
LINKS
R. H. Hardin, Table of n, a(n) for n=1..100
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 23 2010
STATUS
approved