login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A141075 Nonprimes of form (2*3*5*7*11-p), where p is prime. 1
1, 169, 221, 247, 299, 323, 361, 377, 403, 437, 527, 533, 551, 589, 611, 689, 697, 703, 713, 731, 767, 779, 799, 817, 851, 871, 901, 943, 949, 989, 1003, 1007, 1027, 1073, 1079, 1081, 1139, 1147, 1157, 1159, 1207, 1219, 1241, 1247, 1261, 1271, 1313, 1333 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The final member of the sequence is a(115) = 2308.

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 1..115 (full sequence)

EXAMPLE

a(1) = 2*3*5*7*11 - 2309 = 1; a(2) = 2*3*5*7*11 - 2141 = 169.

MAPLE

a:=proc(n) if(isprime(n) and not isprime(2310-n))then 2310-n fi end: seq(a(2310-n), n=1..2309); # Nathaniel Johnston, Jun 08 2011

MATHEMATICA

Sort[2310-#&/@Select[Prime[Range[343]], !PrimeQ[2310-#]&]] (* Harvey P. Dale, Jul 26 2011 *)

CROSSREFS

Sequence in context: A235718 A239724 A038512 * A124979 A292559 A322568

Adjacent sequences:  A141072 A141073 A141074 * A141076 A141077 A141078

KEYWORD

nonn,fini,full,easy,less

AUTHOR

Juri-Stepan Gerasimov, Aug 05 2008

EXTENSIONS

Comment and more terms from Charles R Greathouse IV, Mar 26 2010

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 June 14 18:12 EDT 2021. Contains 345037 sequences. (Running on oeis4.)