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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

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

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: A105232 A009713 A265597 * A317794 A009377 A181234

Adjacent sequences:  A213197 A213198 A213199 * A213201 A213202 A213203

KEYWORD

nonn,more

AUTHOR

Zak Seidov, Mar 01 2013

STATUS

approved

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Last modified November 15 11:14 EST 2019. Contains 329144 sequences. (Running on oeis4.)