The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A074766 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A074766

a(n) = prime(2n) - 2*prime(n) - n.
(history; published version)

#15 by Harvey P. Dale at Sat Mar 04 13:51:42 EST 2017

STATUS

editing

approved

#14 by Harvey P. Dale at Sat Mar 04 13:51:38 EST 2017

MATHEMATICA

Table[Prime[2 n] - 2 Prime[n] - n, {n, 80}] (* Harvey P. Dale, Mar 04 2017 *)

STATUS

approved

editing

#13 by Bruno Berselli at Tue Jan 17 04:21:08 EST 2017

STATUS

reviewed

approved

#12 by Joerg Arndt at Tue Jan 17 03:16:30 EST 2017

STATUS

proposed

reviewed

#11 by Jon E. Schoenfield at Tue Jan 17 02:27:19 EST 2017

STATUS

editing

proposed

#10 by Jon E. Schoenfield at Tue Jan 17 02:27:09 EST 2017

NAME

a(n) = prime(2n) - 2*prime(n) - n.

STATUS

proposed

editing

#9 by Michel Marcus at Tue Jan 17 00:13:46 EST 2017

STATUS

editing

proposed

#8 by Michel Marcus at Tue Jan 17 00:13:40 EST 2017

FORMULA

a(n) = A066066(n) - n.

CROSSREFS

A066066(n) - n.

Cf. A066066.

STATUS

proposed

editing

#7 by Wesley Ivan Hurt at Mon Jan 16 21:08:35 EST 2017

STATUS

editing

proposed

#6 by Wesley Ivan Hurt at Mon Jan 16 21:08:19 EST 2017

MAPLE

A074766:=n->ithprime(2*n)-2*ithprime(n)-n: seq(A074766(n), n=1..100); # Wesley Ivan Hurt, Jan 16 2017

STATUS

approved

editing