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A048570 Triangle T(n,k) = number of divisors of C(n,k). 4
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; text; 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: A156044 A180980 A275298 * A090806 A241926 A174446

Adjacent sequences:  A048567 A048568 A048569 * A048571 A048572 A048573

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 18 01:01 EDT 2018. Contains 316297 sequences. (Running on oeis4.)