A147971 Indices of the records in the sequence of smallest positive quadratic nonresidues (A053760).

1, 4, 9, 20, 64, 92, 246, 752, 1289, 2084, 3383, 31284, 271259, 618525, 1389315, 2228197, 2914847, 6857528, 7457772, 141236709, 366883983, 1034128714, 3690981956, 4965932454, 7863515482, 19824941433, 195348751601, 292557888940, 2296552237422

Offset

1,2

Comments

The corresponding primes are listed in A147970.

Links

Table of n, a(n) for n=1..29.

Formula

Positive integer n is in this sequence iff A053760(k) < A053760(n) for every k<n.

Crossrefs

Cf. A000229, A002223, A002224, A045535, A053760, A133435, A147969, A147970.

Sequence in context: A161221 A130045 A225986 * A197869 A276319 A038805

Adjacent sequences: A147968 A147969 A147970 * A147972 A147973 A147974

Keyword

nonn

Author

Max Alekseyev, Nov 18 2008

Extensions

a(20)-a(29) from Charles R Greathouse IV, Apr 06 2012

Status

approved