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A001748 Primes X 3. +0
9
6, 9, 15, 21, 33, 39, 51, 57, 69, 87, 93, 111, 123, 129, 141, 159, 177, 183, 201, 213, 219, 237, 249, 267, 291, 303, 309, 321, 327, 339, 381, 393, 411, 417, 447, 453, 471, 489, 501, 519, 537, 543, 573, 579, 591 (list; graph; listen)
OFFSET

1,1

COMMENT

A164023(a(n)) = A164024(a(n)) = A000040(n). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 09 2009]

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

MATHEMATICA

Prime[Range[22]]*3 - Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 29 2008

CROSSREFS

Sequence in context: A020648 A020147 A164383 this_sequence A097426 A075278 A102971

Adjacent sequences: A001745 A001746 A001747 this_sequence A001749 A001750 A001751

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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