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Search: id:A062833
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A062833 2n! / number of divisors of n. +0
1
2, 2, 6, 16, 120, 360, 5040, 20160, 241920, 1814400, 39916800, 159667200, 6227020800, 43589145600, 653837184000, 8369115955200, 355687428096000, 2134124568576000, 121645100408832000, 810967336058880000 (list; graph; listen)
OFFSET

1,1

PROGRAM

(PARI) for(n=1, 23, print((2*n!)/numdiv(n)))

CROSSREFS

Sequence in context: A034439 A060165 A134295 this_sequence A006250 A006249 A019575

Adjacent sequences: A062830 A062831 A062832 this_sequence A062834 A062835 A062836

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jul 20 2001

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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