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A144417
Triangle in A144385 read upwards by columns.
1
1, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 6, 7, 0, 0, 1, 10, 25, 10, 0, 0, 1, 15, 65, 75, 10, 0, 0, 1, 21, 140, 315, 175, 0, 0, 0, 1, 28, 266, 980, 1225, 280, 0, 0, 0, 1, 36, 462, 2520, 5565, 3780, 280, 0, 0, 0, 1, 45, 750, 5670, 19425, 26145, 9100, 0, 0, 0, 0, 1, 55
OFFSET
0,8
EXAMPLE
Triangle begins:
1
1,0
1,1,0
1,3,1,0
1,6,7,0,0
1,10,25,10,0,0
1,15,65,75,10,0,0
1,21,140,315,175,0,0,0
CROSSREFS
Column sums give A001680. Cf. A144385.
Sequence in context: A090181 A368504 A256551 * A085791 A144645 A151510
KEYWORD
nonn,tabl
AUTHOR
STATUS
approved