OFFSET
1,2
COMMENTS
Repeatedly writing the square pyramidal numbers (A000330) backwards.
FORMULA
EXAMPLE
First few rows of the triangle are:
1;
5, 1;
14, 5, 1;
30, 14, 5, 1;
55, 30, 14, 5, 1;
91, 55, 30, 14, 5, 1;
...
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Mar 26 2005
EXTENSIONS
Edited by Ralf Stephan, Apr 05 2009
STATUS
approved