A048281 Beginning of first run of consecutive quadratic residues mod prime(n) of longest length.

0, 0, 4, 0, 3, 12, 15, 4, 0, 4, 7, 9, 39, 13, 0, 9, 25, 12, 21, 0, 69, 18, 25, 87, 93, 19, 13, 9, 25, 49, 68, 58, 14, 34, 4, 16, 9, 53, 61, 33, 12, 11, 0, 189, 59, 61, 78, 28, 73, 42, 28, 0, 235, 63, 57, 31, 51, 77, 83, 31, 89, 53, 99, 0, 309, 36, 120, 333, 323, 121, 164, 44, 207, 36, 19, 200, 62, 33

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Examples

			The numbers 0, 1, 4, 5, 6, 9, 10, 11, 14, . . . are the squares mod 5, and 5 = prime(3), so a(3) = 4. - _Jonathan Sondow_, Jul 20 2014
		

Crossrefs

Cf. A048280.

Extensions

Offset corrected to 1, definition clarified, Jonathan Sondow Jul 20 2014