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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A117325 Indices of primes in A117322 prime(n) modulo semiprime(n). 0
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 22, 25, 29, 33, 35, 50, 64, 73, 76, 82, 88, 100, 115, 120, 169, 174, 176, 188, 194, 202, 211, 214, 218, 249, 265, 325, 354, 363, 369, 370, 371, 372, 373, 374, 378, 379, 380, 384, 385, 386, 393, 394, 395, 396, 399, 400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..60.

FORMULA

n such that A117322(n) is prime. n such that A000040(n) modulo A001358(n) is in A000040.

EXAMPLE

a(60) = 400 because semiprime(400) = 1355, prime(400) = 2741 and

2741 == 31 mod 1355, where 31 is prime.

CROSSREFS

Sequence in context: A130225 A096902 A246081 * A180643 A017905 A044962

Adjacent sequences:  A117322 A117323 A117324 * A117326 A117327 A117328

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post, Mar 08 2006

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 February 19 16:02 EST 2019. Contains 320311 sequences. (Running on oeis4.)