id:A136804 - OEIS Search Results

Search: id:A136804

Displaying 1-1 of 1 results found.

page 1

Nonsquares mod 257.

+0
2

3, 5, 6, 7, 10, 12, 14, 19, 20, 24, 27, 28, 33, 37, 38, 39, 40, 41, 43, 45, 47, 48, 51, 53, 54, 55, 56, 63, 65, 66, 69, 71, 74, 75, 76, 77, 78, 80, 82, 83, 85, 86, 87, 90, 91, 93, 94, 96, 97, 101, 102, 103, 105, 106, 107, 108, 109, 110, 112, 115, 119, 125, 126, 127, 130, 131 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Because 257 is a Fermat prime, these numbers are all primitive roots (mod 257). Complement of A136803.`
	FORMULA	`a(n) + a(129-n) = 257.`
	MATHEMATICA	`p=257; Select[Range[0, p-1], JacobiSymbol[ #, p]==-1&]`
	CROSSREFS	`Adjacent sequences: A136801 A136802 A136803 this_sequence A136805 A136806 A136807` `Sequence in context: A047328 A028811 A034035 this_sequence A129802 A023854 A092559`
	KEYWORD	`fini,nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Jan 22 2008`

page 1

Search completed in 0.002 seconds

Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

AT&T Labs Research