A364263 Numbers j such that k=210*j, 2*k, k^2+k, k^2-k all are averages of twin primes.

521457, 7235406, 107647749, 123718516, 161881498, 200141522, 215640361, 269177896, 301917955, 352021648, 393455227, 580398355, 716403116, 916268861, 1000979331, 1231997208, 1289093896, 1354550305, 1471667483, 1478187348, 1485031638, 1520586133

Offset

1,1

Comments

A derivative sequence stemming from editorial discussion with Hugo Pfoertner, consisting of GCD-reduced elements of A363500, all of which were determined to be multiples of 210 aside from the first term.

Links

Jason Yuen, Table of n, a(n) for n = 1..9999 (first 48 terms from Bryce Case, Jr.)

Bryce Case, Jr., a364263.go

Formula

a(n) = A363500(n+1)/210. - Jason Yuen, Jun 04 2024

Prog

(Go) // See link.

Crossrefs

Cf. A363500.

Sequence in context: A186172 A186171 A251043 * A250705 A366823 A237217

Adjacent sequences: A364260 A364261 A364262 * A364264 A364265 A364266

Keyword

nonn

Author

Bryce Case, Jr. and Antonio Gimenez, Jul 16 2023

Status

approved