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A071556 Smallest x > 1 such that x^prime(n) == 1 mod(prime(i)) 4<=i<=n. 0
8, 78, 1002, 17018, 323324, 7436430, 215656442, 6685349672, 247357937828, 10141675450908, 436092044389002, 20496326086283048, 1086305282573001492, 64092011671807087970, 3909612711980232366110, 261944051702675568529304 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

LINKS

Table of n, a(n) for n=4..19.

FORMULA

a(n)=1+A002110(n)/30

PROG

(PARI) for(n=3, 20, print1((prod(i=1, n, prime(i))+30)/30, ", "))

CROSSREFS

Sequence in context: A000435 A052698 A052603 * A316203 A303507 A145508

Adjacent sequences:  A071553 A071554 A071555 * A071557 A071558 A071559

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, May 30 2002

STATUS

approved

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Last modified October 22 05:06 EDT 2018. Contains 316432 sequences. (Running on oeis4.)