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A046147 Triangle of primitive roots of n (suppressing numbers without primitive roots). +0
2
1, 2, 3, 2, 3, 5, 3, 5, 2, 5, 3, 7, 2, 6, 7, 8, 2, 6, 7, 11, 3, 5, 3, 5, 6, 7, 10, 11, 12, 14, 5, 11, 2, 3, 10, 13, 14, 15, 7, 13, 17, 19, 5, 7, 10, 11, 14, 15, 17, 19, 20, 21, 2, 3, 8, 12, 13, 17, 22, 23, 7, 11, 15, 19, 2, 5, 11, 14, 20, 23, 2, 3, 8, 10, 11, 14, 15, 18, 19, 21, 26 (list; table; graph; listen)
OFFSET

1,2

LINKS

T. D. Noe, First 100 rows of triangle, flattened

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A001918, A046144, A046145, A046146.

Cf. A060749

Sequence in context: A138239 A112484 A124459 this_sequence A052369 A110976 A151570

Adjacent sequences: A046144 A046145 A046146 this_sequence A046148 A046149 A046150

KEYWORD

nonn,tabl

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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