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A055006 a(n) is the least multiple of n such that a(n) = 1 mod k for all integers k with 1 < k < n and k relatively prime to n. 0
1, 2, 3, 4, 25, 6, 301, 736, 2241, 190, 25201, 4236, 83161, 19306, 64065, 135136, 7207201, 85086, 49008961, 49468420, 36951201, 27776386, 698377681 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..23.

CROSSREFS

Sequence in context: A000336 A235041 A080613 * A139050 A043309 A104386

Adjacent sequences:  A055003 A055004 A055005 * A055007 A055008 A055009

KEYWORD

nonn

AUTHOR

Stephen G. Penrice (spenrice(AT)ets.org), May 30 2000

STATUS

approved

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Last modified July 28 21:32 EDT 2014. Contains 245007 sequences.