The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A244736 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A244736

Numbers k such that (prime(k) mod 5) is even.
(history; published version)

#18 by Bruno Berselli at Wed Apr 21 04:25:56 EDT 2021

STATUS

reviewed

approved

#17 by Joerg Arndt at Wed Apr 21 03:57:09 EDT 2021

STATUS

proposed

reviewed

#16 by Joerg Arndt at Wed Apr 21 03:57:05 EDT 2021

STATUS

editing

proposed

#15 by Joerg Arndt at Wed Apr 21 03:56:53 EDT 2021

CROSSREFS

Cf. A039703, A244735, A244737, A039793.

STATUS

proposed

editing

#14 by Michel Marcus at Wed Apr 21 03:47:20 EDT 2021

STATUS

editing

proposed

#13 by Michel Marcus at Wed Apr 21 03:47:05 EDT 2021

CROSSREFS

Cf. A039703, A244735, A244737, A039793.

STATUS

proposed

editing

Discussion

Wed Apr 21

03:47

Michel Marcus: I think A039793 is a typo for A039703

#12 by Jon E. Schoenfield at Wed Apr 21 03:40:48 EDT 2021

STATUS

editing

proposed

#11 by Jon E. Schoenfield at Wed Apr 21 03:40:46 EDT 2021

NAME

Numbers n k such that (prime(nk) mod 5) is even.

EXAMPLE

n ... k prime(nk) mod 5 mod 2

1 ..... 2 ..... 2 ... 0

2 ..... 3 ..... 3 ... 1

3 ..... 5 ..... 0 ... 0

4 ..... 7 ..... 2 ... 0

5 ..... 11 .... 1 ... 1

6 ..... 13 .... 3 ... 1

STATUS

approved

editing

#10 by Harvey P. Dale at Mon Jan 28 17:03:35 EST 2019

STATUS

editing

approved

#9 by Harvey P. Dale at Mon Jan 28 17:03:30 EST 2019

MATHEMATICA

Position[Mod[Prime[Range[130]], 5], _?EvenQ]//Flatten (* Harvey P. Dale, Jan 28 2019 *)

STATUS

approved

editing