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A132957 a(n) = sqrt(A132956(n)). 4
6, 7, 6, 31, 60, 13, 38, 10, 372, 107, 48, 95, 22, 245, 84, 189, 94, 293, 160, 83, 200, 31, 34, 241, 84, 37, 180, 653, 246, 43, 86, 123, 278, 73, 140, 57, 198, 311, 180, 891, 704, 93, 558, 65, 1150, 233, 88, 429, 352, 329, 238, 485, 358, 307, 214, 163, 346, 709, 728 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Zak Seidov, Table of n, a(n) for n = 2..1001

EXAMPLE

a(2)= sqrt(36)=6. a(3)=sqrt(49)=7.

PROG

(PARI) a(n) = {ip = 1; while (! issquare(v=sum(i=ip, ip+n-1, prime(i))), ip++); sqrtint(v); } \\ Michel Marcus, Jun 08 2014

CROSSREFS

Cf. A132955, A132956.

Sequence in context: A223172 A340153 A115096 * A339135 A249539 A139726

Adjacent sequences:  A132954 A132955 A132956 * A132958 A132959 A132960

KEYWORD

easy,nonn

AUTHOR

Enoch Haga, Sep 06 2007

EXTENSIONS

Definition simplified, offset set to 2 by R. J. Mathar, Oct 30 2009

STATUS

approved

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Last modified September 28 18:04 EDT 2021. Contains 347716 sequences. (Running on oeis4.)