The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A069262

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a(n) = 4*prime(n)^2.
(history; published version)

#30 by Charles R Greathouse IV at Thu Sep 08 08:45:05 EDT 2022

PROG

(MAGMAMagma) [4*p^2: p in PrimesUpTo(200)]; // Vincenzo Librandi, Mar 27 2014

Discussion

Thu Sep 08

08:45

OEIS Server: https://oeis.org/edit/global/2944

#29 by Michel Marcus at Sat Dec 19 03:37:42 EST 2020

STATUS

reviewed

approved

#28 by Joerg Arndt at Sat Dec 19 03:18:03 EST 2020

STATUS

proposed

reviewed

#27 by Amiram Eldar at Sat Dec 19 03:15:30 EST 2020

STATUS

editing

proposed

#26 by Amiram Eldar at Sat Dec 19 03:14:42 EST 2020

FORMULA

Sum_{n>=1} 1/a(n) = P(2)/4, where P is the prime zeta function . - Amiram Eldar, Dec 19 2020

#25 by Amiram Eldar at Sat Dec 19 02:41:02 EST 2020

FORMULA

n such that A048272(n)=3, a(n) = 4*prime(n)^2 = 4*A001248(n).

Numbers k such that A048272(k) = -3.

#24 by Amiram Eldar at Sat Dec 19 02:37:02 EST 2020

FORMULA

Sum_{n>=1} 1/a(n) = P(2)/4, where P is the prime zeta function - Amiram Eldar, Dec 19 2020

#23 by Amiram Eldar at Sat Dec 19 02:36:37 EST 2020

FORMULA

Sum_{n>=1} 1/a(n) = P(2)/4, is the prime zeta function - Amiram Eldar, Dec 19 2020

STATUS

approved

editing

#22 by N. J. A. Sloane at Fri Mar 25 06:44:43 EDT 2016

STATUS

proposed

approved

#21 by Michel Marcus at Wed Mar 23 14:08:54 EDT 2016

STATUS

editing

proposed