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A028794 Nonsquares mod 81. 0
2, 3, 5, 6, 8, 11, 12, 14, 15, 17, 18, 20, 21, 23, 24, 26, 27, 29, 30, 32, 33, 35, 38, 39, 41, 42, 44, 45, 47, 48, 50, 51, 53, 54, 56, 57, 59, 60, 62, 65, 66, 68, 69, 71, 72, 74, 75, 77, 78, 80 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..49.

CROSSREFS

Sequence in context: A028806 A028731 A028740 * A028966 A028767 A138529

Adjacent sequences:  A028791 A028792 A028793 * A028795 A028796 A028797

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 24 07:09 EDT 2013. Contains 225617 sequences.