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Search: id:A084922
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A084922 (prime(n)-1)*(prime(n)+1)/6. +0
3
4, 8, 20, 28, 48, 60, 88, 140, 160, 228, 280, 308, 368, 468, 580, 620, 748, 840, 888, 1040, 1148, 1320, 1568, 1700, 1768, 1908, 1980, 2128, 2688, 2860, 3128, 3220, 3700, 3800, 4108, 4428, 4648, 4988, 5340, 5460, 6080, 6208, 6468, 6600, 7420 (list; graph; listen)
OFFSET

3,1

COMMENT

a(n)=A084920(n)/6, a(n)=A084921(n)/3.

CROSSREFS

Cf. A000040, A006093, A008864.

Sequence in context: A087254 A160726 A062717 this_sequence A047185 A034733 A152233

Adjacent sequences: A084919 A084920 A084921 this_sequence A084923 A084924 A084925

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 11 2003

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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