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Search: id:A098668
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A098668 Right edge of triangle A098666. +0
3
1, 2, 3, 2, 5, 1, 7, 8, 9, 1, 11, 1, 13, 2, 5, 8, 17, 9, 19, 1, 7, 2, 23, 4, 25, 1, 27, 2, 29, 1, 31, 32, 11, 1, 7, 3, 37, 1, 13, 20, 41, 3, 43, 2, 3, 1, 47, 16, 49, 25, 51, 1, 53, 9, 11, 8, 19, 1, 59, 1, 61, 2, 9, 32, 65, 1, 67, 1, 23, 7, 71, 36, 73, 1, 25, 2, 11, 1, 79, 16, 81, 1, 83, 7, 17 (list; graph; listen)
OFFSET

1,2

COMMENT

a(n) = A098666(n,n);

a(n) = n iff n=1 or n is prime.

CROSSREFS

Sequence in context: A127705 A053139 A124386 this_sequence A112763 A093476 A066727

Adjacent sequences: A098665 A098666 A098667 this_sequence A098669 A098670 A098671

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 20 2004

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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