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A139320
Values of k in A139319.
3
2, 1, 1, 1, 4, 1, 2, 1, 2, 3, 4, 1, 8, 3, 4, 2, 4, 3, 2, 4, 4, 5, 6, 1, 6, 7, 4, 5, 6, 3, 2, 4, 4, 3, 10, 2, 2, 3, 6, 5, 4, 4, 6, 6, 4, 5, 6, 1, 2, 9, 10, 6, 4, 5, 8, 4, 4, 6, 6, 4, 8, 7, 4, 3, 6, 3, 6, 4, 12, 6, 4, 5, 14, 6, 8, 2, 4, 6, 2, 6, 8, 5, 4, 6, 12, 7, 6, 11, 16
OFFSET
1,1
LINKS
EXAMPLE
For A139319(10) we check: 10*1 - 1= 9, which is not coprime to A139319(4)=3. 10*2 - 1= 19, which is not coprime to A139319(5)=19. But 10*3 - 1 = 29, which is coprime to terms A139319(1) through A139319(9). So a(10) = 3.
CROSSREFS
Sequence in context: A157113 A214712 A213330 * A174204 A118106 A324574
KEYWORD
nonn
AUTHOR
Leroy Quet, Apr 13 2008
EXTENSIONS
More terms from Michel Marcus, Sep 05 2019
New name from Felix Fröhlich, Sep 06 2019
STATUS
approved