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A048804 Triangle: T(n,k)=b(n)/(b(k)*b(n-k)) where b is A048803. +0
3
1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 2, 3, 2, 1, 1, 5, 5, 5, 5, 1, 1, 6, 15, 10, 15, 6, 1, 1, 7, 21, 35, 35, 21, 7, 1, 1, 2, 7, 14, 35, 14, 7, 2, 1, 1, 3, 3, 7, 21, 21, 7, 3, 3, 1, 1, 10, 15, 10, 35, 42, 35, 10, 15, 10, 1, 1, 11, 55, 55, 55, 77, 77, 55, 55, 55, 11, 1, 1, 6, 33, 110, 165, 66 (list; table; graph; listen)
OFFSET

0,5

EXAMPLE

1; 1,1; 1,2,1; 1,3,3,1; 1,2,3,2,1; 1,5,5,5,5,1; where the last batch arises from 60/(1*60), 60/(1*12), 60/(2*6), 60/(6*2), 60/(12*1), 60/(60*1).

CROSSREFS

Sequence in context: A157694 A093557 A098802 this_sequence A158565 A132422 A065133

Adjacent sequences: A048801 A048802 A048803 this_sequence A048805 A048806 A048807

KEYWORD

nonn,tabl

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Apr 15 1999.

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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