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 A060266 Difference between 2n and the following prime. 8
 1, 1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 5, 3, 1, 1, 5, 3, 1, 3, 1, 1, 3, 1, 5, 3, 1, 5, 3, 1, 1, 5, 3, 1, 3, 1, 1, 5, 3, 1, 3, 1, 5, 3, 1, 7, 5, 3, 1, 3, 1, 1, 3, 1, 1, 3, 1, 13, 11, 9, 7, 5, 3, 1, 3, 1, 5, 3, 1, 1, 9, 7, 5, 3, 1, 1, 5, 3, 1, 5, 3, 1, 3, 1, 5, 3, 1, 5, 3, 1, 1, 9, 7, 5, 3, 1, 1, 3, 1, 1, 11, 9, 7, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS Michael De Vlieger, Table of n, a(n) for n = 1..10000 MAPLE with(numtheory): [seq(nextprime(2*i)-2*i, i=1..256)]; MATHEMATICA d2n[n_]:=Module[{c=2n}, NextPrime[c]-c]; Array[d2n, 120] (* Harvey P. Dale, May 14 2011 *) Table[NextPrime@ # - # &[2 n], {n, 120}] (* Michael De Vlieger, Feb 18 2017 *) PROG (ARI) a(n) = nextprime(2*n+1) - 2*n; \\ Michel Marcus, Feb 19 2017 CROSSREFS Cf. A020482, A049653, A060267, A060268, A060264. Sequence in context: A238737 A049653 A281680 * A073310 A174414 A046929 Adjacent sequences:  A060263 A060264 A060265 * A060267 A060268 A060269 KEYWORD nonn AUTHOR Labos Elemer, Mar 23 2001 STATUS approved

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Last modified July 29 14:43 EDT 2021. Contains 346346 sequences. (Running on oeis4.)