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

19, 29, 31, 37, 43, 53, 59, 61, 67, 73, 79, 89, 97, 103, 109, 127, 137, 139, 149, 151, 157, 163, 173, 179, 181, 191, 193, 199, 211, 223, 229, 239, 241, 251, 257, 263, 269, 271, 277, 283, 293, 307, 313, 331, 337, 347, 349, 359, 367, 373, 379, 389, 397, 409

Offset: 1

Author

Benoit Cloitre, Feb 08 2002

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A000203, A067830.

Programs

Mathematica

Select[Prime[Range[3,100]],DivisorSigma[1,#-4]>#&] (* Harvey P. Dale, Jan 12 2023 *)