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Search: id:A072293
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A072293 Smallest factorial containing exactly n 2's. +0
2
2, 87178291200, 6227020800, 265252859812191058636308480000000, 815915283247897734345611269596115894272000000000, 258623241511168180642964355153611979969197632389120000000000 (list; graph; listen)
OFFSET

1,1

EXAMPLE

a(2)=87178291200 so 87178291200 is the smallest factorial containing exactly two 2's.

CROSSREFS

Adjacent sequences: A072290 A072291 A072292 this_sequence A072294 A072295 A072296

Sequence in context: A094486 A109741 A105759 this_sequence A139180 A072947 A077303

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 30 2002

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Last modified October 12 13:44 EDT 2008. Contains 144830 sequences.


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