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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046036 Indices of the concatenation of the first n odd numbers (A019519) which are primes. 4
2, 10, 16, 34, 49, 2570 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

No others with n <= 12000. - Eric W. Weisstein, Mar 01 2004

LINKS

Table of n, a(n) for n=1..6.

H. Ibstedt, A Few Smarandache Integer Sequences, Smarandache Notions Journal, Vol. 8, No. 1-2-3, 1997, pp. 171-183.

Eric Weisstein's World of Mathematics, Consecutive Number Sequences

Eric Weisstein's World of Mathematics, Integer Sequence Primes

FORMULA

a(n) = (A066811(n)+1)/2. - Michel Marcus, Jan 31 2014

CROSSREFS

Cf. A019519, A048847.

Sequence in context: A189329 A242089 A110761 * A131474 A249153 A276046

Adjacent sequences:  A046033 A046034 A046035 * A046037 A046038 A046039

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

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 October 13 18:14 EDT 2019. Contains 327981 sequences. (Running on oeis4.)