OFFSET
0,6
COMMENTS
When viewed as an irregular table there are A000041 entries per row which sum to 1, 1, 2, 6, 24, 120, 720 ...
EXAMPLE
Row five of A117506 is 1 4 5 6 5 4 1 so row five of the present triangle is 1 16 25 36 25 16 1.
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Alford Arnold, Dec 27 2007
EXTENSIONS
More terms from Alois P. Heinz, Nov 05 2015
STATUS
approved