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3,2
Table of n, a(n) for n=3..120.
H. Brown and H. Zassenhaus, Some empirical observations on primitive roots, J. Number Theory 3 (1971) 306-309.
S. R. Finch, Average least nonresidues, December 4, 2013. [Cached copy, with permission of the author]
P. Pollack, The average least quadratic nonresidue modulo m and other variations on a theme of Erdos, J. Number Theory 132 (2012) 1185-1202.
Sequence in context: A287730 A260452 A005679 * A275832 A237839 A101608
Adjacent sequences: A232924 A232925 A232926 * A232928 A232929 A232930
nonn
Steven Finch, Dec 02 2013
approved