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!)
A084421 a(n) = A005187(A000040(n)). 1
3, 4, 8, 11, 19, 23, 32, 35, 42, 54, 57, 71, 79, 82, 89, 102, 113, 117, 131, 138, 143, 153, 162, 174, 191, 198, 201, 209, 213, 222, 247, 259, 271, 274, 294, 297, 309, 322, 329, 341, 353, 357, 375, 383, 390, 393, 417, 439, 449, 453, 461, 471, 477, 495, 512 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
A000040(6)=13 -> [13/2]=6 -> [6/2]=3 -> [3/2]=1
.......... 13 -> 13+6=19 -> 19+3=22 -> 22+1=23=a(6).
MAPLE
A084421 := proc(n)
A005187(ithprime(n)) ;
end proc:
seq(A084421(n), n=1..55) ; # R. J. Mathar, Jul 09 2016
CROSSREFS
Sequence in context: A320787 A183151 A288566 * A271723 A212545 A357878
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jun 26 2003
STATUS
approved

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 April 24 19:39 EDT 2024. Contains 371963 sequences. (Running on oeis4.)