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A058054 Smallest prime > n! minus largest prime <= n!. 5
1, 2, 6, 14, 8, 12, 54, 30, 22, 14, 30, 90, 20, 90, 76, 90, 78, 190, 60, 62, 104, 186, 204, 190, 96, 44, 168, 254, 108, 188, 80, 38, 290, 174, 258, 98, 44, 170, 136, 132, 176, 180, 156, 292, 190, 312, 156, 142, 158, 450, 120, 130, 350, 132, 610, 384, 392, 430 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
FORMULA
a(n) = A037151(n) - A006990(n)
a(n) = A033932(n) + A033933(n)
EXAMPLE
For n = 2, 3, 4, 5, A037151(n) = 3, 7, 29, 127 and A006990(n) = 2, 5, 23, 113. The differences are: 1, 2, 6, 14.
MAPLE
[seq(nextprime(i!)-prevprime(i!+1), i=2...100)];
MATHEMATICA
f[n_] := NextPrime[n!] - NextPrime[n!, -1]; Array[f, 70, 3] (* Robert G. Wilson v, Jul 23 2014 *)
CROSSREFS
Essentially the same as A054588.
Sequence in context: A349681 A282544 A091719 * A054588 A084106 A295987
KEYWORD
nonn
AUTHOR
Labos Elemer, Nov 20 2000
EXTENSIONS
Edited by Hans Havermann, Jul 23 2014
STATUS
approved

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Last modified March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)