login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A122412 Indices of primes occurring in A031133. 6

%I #6 Jun 10 2018 20:26:27

%S 1,2,3,8,15,23,29,46,188,216,326,367,738,1183,1662,2224,2225,3384,

%T 3385,4058,5948,14356,30802,31544,33608,104070,118504,325851,597310,

%U 1319944,2324139,4140008,4258994,5911613,8040877,17567976,23163297,25203779

%N Indices of primes occurring in A031133.

%H Jon E. Schoenfield, <a href="/A122412/b122412.txt">Table of n, a(n) for n = 1..52</a>

%F a(n) = pi(A031133(n)).

%e a(4)=8 because the 4th term of A031133 is the 8th prime number.

%Y Cf. A031131, A031132, A031133, A031134, A122413.

%K nonn

%O 1,2

%A _Jon E. Schoenfield_, Sep 02 2006

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 26 02:27 EDT 2024. Contains 374615 sequences. (Running on oeis4.)