OFFSET
1,3
COMMENTS
Obtained also by replacing the 1's in column k of A051731 with (2k-1).
EXAMPLE
First few rows of the triangle:
1;
1, 3;
1, 0, 5;
1, 3, 0, 7;
1, 0, 0, 0, 9;
1, 3, 5, 0, 0, 11;
1, 0, 0, 0, 0, 0, 13;
1, 3, 0, 7, 0, 0, 0, 15;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Oct 31 2007
STATUS
approved