OFFSET
0,5
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..1000
Alois P. Heinz, G.f. and Maple program for A226374
FORMULA
See link for g.f.
EXAMPLE
a(7) = 2:
._._._._._._._. ._._._._._._._.
| | | | | |
|___| | | |___|
| | | | | |
|___| | | |___|
| |_________| |_________| |
|___| | | |___|
| | | | | |
|___| | | |___|
| | | | | |
|___|_________| |_________|___|
MAPLE
# see link for Maple program.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Alois P. Heinz, Jun 05 2013
STATUS
approved