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A178802
Multiply, cell by cell, sequence A048996 by A178801.
2
1, 1, 2, 2, 6, 12, 6, 24, 48, 24, 72, 24, 120, 240, 240, 360, 360, 480, 120, 720, 1440, 1440, 720, 2160, 4320, 720, 2880, 4320, 3600, 720, 5040, 10080, 10080, 10080, 15120, 30240, 15120, 15120, 20160, 60480, 20160, 25200, 50400, 30240, 5040, 40320, 80640, 80640, 80640, 40320, 120960
OFFSET
0,3
FORMULA
T(n,k) = A048996(n,k) * A178801(n,k) = A048996(n,k) * n!.
EXAMPLE
A048996 begins 1,1,1,1,1,2,1, 1, 2, 1, 3, 1 ...
A178801 begins 1,1,2,2,6,6,6,24,24,24,24,24,...
therefore
a(n) begins 1,1,2,2,6,12,6,...
with row sums 1, 1, 4, 24, 192, 1920, 23040, ... .
Triangle begins:
1;
1;
2, 2;
6, 12, 6;
24, 48, 24, 72, 24;
120, 240, 240, 360, 360, 480, 120;
720, 1440, 1440, 720, 2160, 4320, 720, 2880, 4320, 3600, 720;
...
CROSSREFS
Cf. A000041, A000142, A048996, A178801, A002866 (row sums).
Sequence in context: A351081 A241669 A356546 * A156992 A285529 A305215
KEYWORD
easy,nonn,tabf
AUTHOR
Alford Arnold, Jun 15 2010
STATUS
approved