OFFSET
0,5
FORMULA
All values are 0 or 2 except T(0, 0)=1. Final positive values in n-th row and column occur at T(n, n(n+1)/2) and T(n(n+1)/2, n).
EXAMPLE
Rows start: 1,0,0,...; 0,2,0,0,...; 0,0,0,2,0,0,...; 0,0,2,0,0,0,2,0,0,...; 0,0,0,0,0,0,2,0,0,0,2,0,0,...; 0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,2,0,0,...; 0,0,0,2,2,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,2,0,0,...; etc.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Henry Bottomley, May 14 2002
STATUS
approved