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Search: id:A061720
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A061720 First differences of sequence of primorials. +0
1
4, 24, 180, 2100, 27720, 480480, 9189180, 213393180, 6246600360, 194090796900, 7220177644680, 296829525392400, 12778511068142820, 601807021256821380, 31974268694601553320, 1890171191677022594340, 115365621009252758344200 (list; graph; listen)
OFFSET

0,1

CROSSREFS

a(n) = A002110(n+1)-A002110(n) = A002110(n)*A006093(n+1).

Sequence in context: A112914 A007846 A139702 this_sequence A111556 A135905 A028498

Adjacent sequences: A061717 A061718 A061719 this_sequence A061721 A061722 A061723

KEYWORD

easy,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jun 20 2001

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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