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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A062839 Floor[ (p(n-1)+p(n+1))/2 ]. 1
1, 3, 5, 8, 10, 14, 16, 20, 24, 27, 33, 36, 40, 44, 48, 53, 57, 63, 66, 70, 75, 78, 84, 90, 95, 100, 104, 106, 110, 118, 122, 132, 135, 143, 145, 153, 157, 162, 168, 173, 177, 185, 187, 194, 196, 204, 211, 219, 226, 230, 234, 237, 245, 249, 257, 263, 267, 273 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n)=A024675(n-1)-A028334(n-1), n>2. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 16 2008

PROG

(PARI) j=[]; for(n=1, 200, j=concat(j, floor((prime(n-1)+prime(n+1))/2))); j

CROSSREFS

Sequence in context: A051611 A005004 A006218 * A088940 A088937 A123327

Adjacent sequences:  A062836 A062837 A062838 * A062840 A062841 A062842

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jul 21 2001

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 07:10 EST 2012. Contains 205874 sequences.