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Search: id:A051905
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A051905 LCM of even numbers (2,4,6,8.....n); or twice A003418. +0
1
2, 4, 12, 24, 120, 120, 840, 1680, 5040, 5040, 55440, 55440, 720720, 720720, 720720, 1441440, 24504480, 24504480, 465585120, 465585120, 465585120, 465585120, 10708457760, 10708457760, 53542288800 (list; graph; listen)
OFFSET

1,1

COMMENT

LCM(2,4,6)=12.

REFERENCES

A. Murthy, Some new Smarandache sequences, functions and partitions, Smarandache Notions Journal Vol. 11 N. 1-2-3 Spring 2000 (but beware errors).

CROSSREFS

A003418, A025547.

Sequence in context: A129643 A096421 A066843 this_sequence A051426 A048148 A080375

Adjacent sequences: A051902 A051903 A051904 this_sequence A051906 A051907 A051908

KEYWORD

easy,nonn

AUTHOR

Felice Russo (felice.russo(AT)katamail.com), Dec 16 1999

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.


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