OFFSET
0,5
COMMENTS
EXAMPLE
Triangle begins
n/m.|..0.....1.....2.....3.....4.....5.....6.....7
==================================================
.0..|..1
.1..|..1.....1
.2..|..1....10.....1
.3..|..1....21 ...21.....1
.4..|..1....20....42....20.....1
.5..|..1....11....22....22....11.....1
.6..|..1..2730..3003..2860..3003..2730.....1
.7..|..1.....1...273...143...143...273.....1.....1
.8..|
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Vladimir Shevelev and Peter J. C. Moses, Dec 26 2011
STATUS
approved