A075030 Primes for which the four closest primes are smaller.

113, 1327, 2557, 2803, 2971, 3271, 3469, 4027, 4297, 4523, 5119, 5449, 5531, 5591, 7253, 7883, 8389, 9013, 9439, 9551, 10111, 10909, 11177, 11839, 12119, 12163, 12853, 12923, 13187, 13339, 13729, 13933, 14563, 15683, 15823, 16073, 16141

Offset: 1

Author

Neil Fernandez, Oct 10 2002

Keywords

• nonn

Examples

			The four closest primes to 1327 are 1321 (difference = 6), 1319 (difference = 8), 1307 (different = 20) and 1303 (difference =24). 1321, 1319, 1307 and 1303 are all smaller than 1327, so 1327 is in the list.
		

Crossrefs

Cf. A001223, A074979, A074982, A075037, A075038, A075043, A075050 and A075051.

Programs

Mathematica

#[[5]]&/@Select[Partition[Prime[Range[2500]], 6, 1], #[[5]]-#[[1]]<#[[6]]-#[[5]]&] (* Harvey P. Dale *)

Extensions

Edited by Robert G. Wilson v, Oct 11 2002