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A028733 Nonsquares mod 20. 0
2, 3, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, 18, 19 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Sequence in context: A059590 A276156 A144705 * A028789 A038100 A028757

Adjacent sequences:  A028730 A028731 A028732 * A028734 A028735 A028736

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 23 15:54 EDT 2017. Contains 292361 sequences.