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A096179 Triangle read by rows: T(n,k) is the smallest positive integer having k of the first n positive integers as divisors. +0
2
1, 1, 2, 1, 2, 6, 1, 2, 4, 12, 1, 2, 4, 12, 60, 1, 2, 4, 6, 12, 60, 1, 2, 4, 6, 12, 60, 420, 1, 2, 4, 6, 12, 24, 120, 840, 1, 2, 4, 6, 12, 24, 72, 360, 2520, 1, 2, 4, 6, 12, 24, 60, 120, 360, 2520, 1, 2, 4, 6, 12, 24, 60, 120, 360, 2520, 27720, 1, 2, 4, 6, 12, 12, 24, 60, 120, 360 (list; table; graph; listen)
OFFSET

1,3

LINKS

Wikipedia, Table of divisors.

EXAMPLE

Triangle begins:

1

1 2

1 2 6

1 2 4 12

1 2 4 12 60

1 2 4 6 12 60

CROSSREFS

Main diagonal is A003418. See also A094348, A096180.

Sequence in context: A159885 A083773 A129116 this_sequence A166350 A133643 A008305

Adjacent sequences: A096176 A096177 A096178 this_sequence A096180 A096181 A096182

KEYWORD

nonn,tabl

AUTHOR

Matthew Vandermast (ghodges14(AT)comcast.net), Jun 19, 2004

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


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