OFFSET
1,1
FORMULA
T(i,j)=(3*i+2)*3^j, i>=0, j>=0.
EXAMPLE
Northwest corner:
2....6...18...54...162...
5...15...45..135...405...
8...24...72..216...648...
11..33...99..297...891...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Clark Kimberling, Dec 06 2010
STATUS
approved