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A067833 Primes p such that sigma(p-4) > p. 0

%I #12 Jan 12 2023 19:24:40

%S 19,29,31,37,43,53,59,61,67,73,79,89,97,103,109,127,137,139,149,151,

%T 157,163,173,179,181,191,193,199,211,223,229,239,241,251,257,263,269,

%U 271,277,283,293,307,313,331,337,347,349,359,367,373,379,389,397,409

%N Primes p such that sigma(p-4) > p.

%t Select[Prime[Range[3,100]],DivisorSigma[1,#-4]>#&] (* _Harvey P. Dale_, Jan 12 2023 *)

%Y Cf. A067830.

%K nonn

%O 1,1

%A _Benoit Cloitre_, Feb 08 2002

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)