A062252 Record-setting values of q(n), the minimal prime q such that n(q+1)-1 is a prime p (i.e., q(n) > q(j) for all 0 < j < n).

2, 3, 5, 7, 13, 19, 23, 41, 71, 109, 179, 239, 269, 347, 353, 443, 503, 509, 617, 641, 701, 773, 881, 971, 977, 1013, 1019, 1103, 1109, 1223, 1559, 1607, 1709, 1889, 2063, 2297, 2663, 2963, 3137

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Matthew M. Conroy, A sequence related to a conjecture of Schinzel, J. Integ. Seqs. Vol. 4 (2001), #01.1.7.

Example

31 = (433+1)/(13+1).

Crossrefs

Cf. A060324, A062251. Values of n are in A060424, values of p in A062256.

Sequence in context: A134266 A233043 A231099 * A153800 A362777 A147791

Adjacent sequences: A062249 A062250 A062251 * A062253 A062254 A062255

Keyword

nonn,nice,more

Author

N. J. A. Sloane, Jul 01 2001

Extensions

a(36)-a(39) from Amiram Eldar, Jan 26 2019

Status

approved