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!)
A213200 a(n) = sum of next a(n-1) primes after a(n-1) with a(1) = 1. 0
1, 2, 8, 180, 135602, 140706863394 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
a(1) = 1, a(2) = 2, a(3) = 3 + 5 = 8, a(4) = 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 = 180.
MATHEMATICA
NestList[Sum[Prime[i], {i, (b = PrimePi[#] + 1), b + # - 1}] &, 1, 5]
CROSSREFS
Sequence in context: A350808 A009713 A265597 * A317794 A009377 A181234
KEYWORD
nonn,more
AUTHOR
Zak Seidov, Mar 01 2013
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 February 25 02:17 EST 2024. Contains 370308 sequences. (Running on oeis4.)