login
This site is supported by donations to The OEIS Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A045493 Unfortunate primes - primes that are not Fortunate numbers. 1
2, 11, 29, 31, 41, 43, 53, 73, 83, 97, 113, 131, 137, 139, 149, 173, 179, 181, 193, 211, 227, 241, 251, 257, 263, 269, 281, 317, 337, 347, 349, 359, 367, 389, 431, 433, 449, 463, 467, 479, 487, 503, 521, 541, 557, 563, 569, 571, 577, 587, 593, 599, 647, 659 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A046066 in the primes. - Charles R Greathouse IV, Sep 06 2012

REFERENCES

Martin Gardner, "The Last Recreations", chapter 12 discusses Fortunate numbers.

LINKS

Table of n, a(n) for n=1..54.

Eric Weisstein's World of Mathematics, Fortunate Prime

CROSSREFS

Cf. A005235, A046066.

Sequence in context: A220833 A254627 A206583 * A116038 A213521 A192361

Adjacent sequences:  A045490 A045491 A045492 * A045494 A045495 A045496

KEYWORD

nonn

AUTHOR

Jud McCranie

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 15 18:58 EST 2019. Contains 319170 sequences. (Running on oeis4.)