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A048570 Triangle T(n,k) = number of divisors of C(n,k). 3
1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 4, 3, 1, 1, 2, 4, 4, 2, 1, 1, 4, 4, 6, 4, 4, 1, 1, 2, 4, 4, 4, 4, 2, 1, 1, 4, 6, 8, 8, 8, 6, 4, 1, 1, 3, 9, 12, 12, 12, 12, 9, 3, 1, 1, 4, 6, 16, 16, 18, 16, 16, 6, 4, 1, 1, 2, 4, 8, 16, 16, 16, 16, 8, 4, 2, 1, 1, 6, 8, 12, 12, 24, 24, 24 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,5

LINKS

T. D. Noe, Rows n=0..100 of triangle, flattened

EXAMPLE

1; 1,1; 1,2,1; 1,2,2,1; 1,3,4,3,1; 1,2,4,4,2,1; 1,4,4,6,4,4,1; ...

CROSSREFS

Sequence in context: A081206 A156044 A180980 * A090806 A174446 A071201

Adjacent sequences:  A048567 A048568 A048569 * A048571 A048572 A048573

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 15:27 EST 2012. Contains 205930 sequences.