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A075030 Primes for which the four closest primes are smaller. 7

%I #12 Jul 16 2022 11:54:48

%S 113,1327,2557,2803,2971,3271,3469,4027,4297,4523,5119,5449,5531,5591,

%T 7253,7883,8389,9013,9439,9551,10111,10909,11177,11839,12119,12163,

%U 12853,12923,13187,13339,13729,13933,14563,15683,15823,16073,16141

%N Primes for which the four closest primes are smaller.

%e 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.

%t #[[5]]&/@Select[Partition[Prime[Range[2500]], 6, 1], #[[5]]-#[[1]]<#[[6]]-#[[5]]&] (* _Harvey P. Dale_ *)

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

%K nonn

%O 1,1

%A _Neil Fernandez_, Oct 10 2002

%E Edited by _Robert G. Wilson v_, Oct 11 2002

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Last modified April 19 11:31 EDT 2024. Contains 371792 sequences. (Running on oeis4.)