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A085881 Triangle T(n,k) read by rows: multiple row n of Pascal's triangle (A007318) by A001147(n). +0
2
1, 1, 1, 3, 6, 3, 15, 45, 45, 15, 105, 420, 630, 420, 105, 945, 4725, 9450, 9450, 4725, 945, 10395, 62370, 155925, 207900, 155925, 62370, 10395, 135135, 945945, 2837835, 4729725, 4729725, 2837835, 945945, 135135, 2027025 (list; table; graph; listen)
OFFSET

0,4

FORMULA

Triangle given by [1, 2, 3, 4, 5, 6, ...] DELTA [1, 2, 3, 4, 5, 6, ...] where DELTA is Deleham's operator defined in A084938.

EXAMPLE

1; 1,1; 3,6,3; 15,45,45,15; ...

CROSSREFS

Sequence in context: A085709 A120910 A109044 this_sequence A127574 A021737 A011307

Adjacent sequences: A085878 A085879 A085880 this_sequence A085882 A085883 A085884

KEYWORD

nonn,tabl

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 17 2003

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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