login
A137594
Triangle read by rows: A007318 * A136717.
2
1, 1, 2, 1, 6, 4, 1, 12, 24, 12, 1, 20, 72, 120, 48, 1, 30, 160, 552, 696, 192, 1, 42, 300, 1752, 4416, 4272, 960, 1, 56, 504, 4452, 17976, 36672, 30480, 5760, 1, 72, 784, 9744, 55776, 195312, 350880, 229680, 34560
OFFSET
0,3
COMMENTS
Row sums = A001339: (1, 3, 11, 49, 261, ...).
FORMULA
Binomial transform of A136717.
EXAMPLE
First few rows of the triangle:
1;
1, 2;
1, 6, 4;
1, 12, 24, 12;
1, 20, 72, 120, 48;
1, 30, 160, 552, 696, 192;
1, 42, 300, 1752, 4416, 4272, 960;
...
CROSSREFS
Sequence in context: A123519 A167024 A114687 * A112360 A250485 A269505
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jan 28 2008
STATUS
approved