OFFSET
0,2
FORMULA
n-th difference of (T(k, n), T(k, n-1), ..., T(k, 0)) is 2^(n+k-1), for n=1, 2, 3, ...; k=0, 1, 2, ...
EXAMPLE
Diagonals (each starting on row 1): {1}; {2,1}; {5,3,1}; ...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
EXTENSIONS
Simpler definition from Ralf Stephan, Feb 17 2004
STATUS
approved