Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A035346
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A035346 Let F(n)=Q(n)-P(n) be the Fortunate numbers (A005235); sequence gives n such that F(n)=p(n+1). +0
6
1, 2, 3, 6, 7, 8, 14, 16, 17, 21, 73, 801 (list; graph; listen)
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: A072426 A166458 A127330 this_sequence A066646 A110920 A145266

Adjacent sequences: A035343 A035344 A035345 this_sequence 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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

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


AT&T Labs Research