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Revision History for A090865

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A090865

Primes p such that (p-1)/2 is prime if p == 3 (mod 4) or (p-1)/4 is prime if p == 1 (mod 4).
(history; published version)

#25 by Bruno Berselli at Tue Feb 12 04:17:53 EST 2019

STATUS

reviewed

approved

#24 by Michel Marcus at Sun Feb 10 01:04:47 EST 2019

STATUS

proposed

reviewed

Discussion

Sun Feb 10

14:26

Michel Marcus: please see A034323

#23 by Jon E. Schoenfield at Sun Feb 10 00:56:31 EST 2019

STATUS

editing

proposed

#22 by Jon E. Schoenfield at Sun Feb 10 00:56:29 EST 2019

NAME

Primes p such that (p-1)/2 is prime if p == 3 (mod 4) or (p-1)/4 is prime if p == 1 (mod 4).

STATUS

proposed

editing

#21 by Jinyuan Wang at Sat Feb 09 04:00:20 EST 2019

STATUS

editing

proposed

Discussion

Sat Feb 09

04:03

Michel Marcus: no

#20 by Jinyuan Wang at Sat Feb 09 03:59:03 EST 2019

PROG

(PARI) forprime(p=1, 1619, if (((p%4==3, if() && isprime((p-1)/2)==1, print1(p, ", "))); if || ((p%4==1, if() && isprime((p-1)/4)==1, ), print1(p, ", ")))) \\ Jinyuan Wang, Feb 09 2019

STATUS

proposed

editing

Discussion

Sat Feb 09

04:00

Jinyuan Wang: so autograph need change to Michel.?

#19 by Jianing Song at Sat Feb 09 03:44:08 EST 2019

STATUS

editing

proposed

#18 by Jianing Song at Sat Feb 09 03:43:33 EST 2019

CROSSREFS

Union of (A005385 \ {5}) and A090866.

#17 by Jianing Song at Sat Feb 09 03:42:40 EST 2019

CROSSREFS

Supersequence Union of A005385 and A090866.

#16 by Jianing Song at Sat Feb 09 03:42:15 EST 2019

CROSSREFS

Subsequence of A058500.

Cf. Supersequence of A005385, and A090866.

STATUS

proposed

editing