OFFSET
0,2
COMMENTS
A002535 = (1, 1, 11, 31, 161, 601,...) = right border. Row sums = (1, 11, 31, 161,...) = INVERT transform of (1, 10, 10, 10,...). Sum of n-th row terms = rightmost term of next row.
EXAMPLE
First few rows of the triangle =
1;
10, 1;
10, 10, 11;
10, 10, 110, 31;
10, 10, 110, 310, 161;
10, 10, 110, 320, 1610, 601;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Sep 06 2008
STATUS
approved