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A090606 A089144 indexed by A000040. 5
1, 2, 4, 7, 8, 15, 16, 17, 19, 27, 30, 31, 37, 52, 57, 61, 65, 75, 76, 78, 87, 91, 106, 112, 113, 118, 143, 145, 155, 158, 165, 184, 188, 207, 220, 229, 237, 241, 265, 269, 278, 288, 295, 306, 307, 311, 312, 332, 346, 360, 368, 383, 388, 393, 404, 418, 439, 449 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Prime(n)*6-3-+2 are both prime. [From Juri-Stepan Gerasimov, Mar 19 2010]

LINKS

Table of n, a(n) for n=0..57.

FORMULA

a(n)=k such that A000040(k)=A089144(n).

CROSSREFS

Cf. A089144, A090607, A090608, A090609, A090610.

Sequence in context: A018430 A018265 A056694 * A241548 A019539 A327099

Adjacent sequences:  A090603 A090604 A090605 * A090607 A090608 A090609

KEYWORD

nonn

AUTHOR

Ray Chandler, Dec 06 2003

STATUS

approved

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Last modified March 28 11:00 EDT 2020. Contains 333083 sequences. (Running on oeis4.)