A363500 -id:A363500 - cp's OEIS frontend

A364263 Numbers j such that k=210j, 2k, 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

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

nonn

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.

Jason Yuen, Table of n, a(n) for n = 1..9999 (first 48 terms from Bryce Case, Jr.)
Bryce Case, Jr., a364263.go

Cf. A363500.

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

cp's OEIS Frontend

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

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cp's OEIS Frontend

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

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