cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A067832 Primes p such that sigma(p-6) > p.

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%I A067832 #19 Apr 24 2025 01:41:32
%S A067832 41,61,71,83,97,101,127,131,139,149,151,167,181,191,193,211,223,227,
%T A067832 241,251,271,281,293,307,311,331,347,349,367,383,397,401,409,419,421,
%U A067832 431,433,443,457,461,479,487,491,499,503,521,523,541,557,571,587,601
%N A067832 Primes p such that sigma(p-6) > p.
%H A067832 Amiram Eldar, <a href="/A067832/b067832.txt">Table of n, a(n) for n = 1..10000</a>
%t A067832 Select[Prime[Range[3,150]],DivisorSigma[1,#-6]>#&] (* _Harvey P. Dale_, Jul 01 2017 *)
%o A067832 (PARI) isok(p) = p > 6 && isprime(p) && sigma(p-6) > p; \\ _Amiram Eldar_, Apr 24 2025
%Y A067832 Cf. A000203, A067831.
%K A067832 nonn
%O A067832 1,1
%A A067832 _Benoit Cloitre_, Feb 08 2002