OFFSET
1,1
COMMENTS
LINKS
Max Alekseyev, Table of n, a(n) for n = 1..51 (first 42 terms from Ray Chandler)
Dario A. Alpern, Factorization using the Elliptic Curve Method.
Makoto Kamada, Factorizations of 11...11 (Repunit)
Eric Weisstein's World of Mathematics, Cyclic Number
EXAMPLE
A004042(2) = 142857 = 37*13*11*3^3, therefore a(1) = 37.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jul 30 2003
EXTENSIONS
a(12) from Ray Chandler, Nov 16 2011
STATUS
approved