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A035346 Let F(n)=Q(n)-P(n) be the Fortunate numbers (A005235); sequence gives n such that F(n)=p(n+1). 5
1, 2, 3, 6, 7, 8, 14, 16, 17, 21, 73, 801 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

S. W. Golomb, The evidence for Fortune's conjecture, Math. Mag. 54 (1981), 209-210.

EXAMPLE

a(10) = 21 because A002110(21)+Prime[22] = 40729680599249024150621323549 = 2.3.5.....67.71.73 + 79 is prime.

CROSSREFS

Cf. A002110, A005235, A006862, A035345.

Sequence in context: A166458 A189013 A127330 * A030164 A066646 A110920

Adjacent sequences:  A035343 A035344 A035345 * A035347 A035348 A035349

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

The terms 21 and 73 were found by Labos E. (labos(AT)ana.sote.hu), May 02 2000.

One more term from Ralf Stephan (ralf(AT)ark.in-berlin.de), Oct 20 2002

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Last modified February 16 11:30 EST 2012. Contains 205907 sequences.