cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A071328 Smallest prime q such that q - prime(n) >= n.

Original entry on oeis.org

3, 5, 11, 11, 17, 19, 29, 29, 37, 41, 43, 53, 59, 59, 67, 71, 79, 79, 89, 97, 97, 101, 107, 113, 127, 127, 131, 137, 139, 149, 163, 163, 173, 173, 191, 191, 197, 211, 211, 223, 223, 223, 239, 239, 251, 251, 263, 271, 277, 281, 293, 293, 307, 307
Offset: 1

Views

Author

Reinhard Zumkeller, May 19 2002

Keywords

Comments

a(n) = A007918(n + A000040(n));
a(n) = A071329(n) iff a(n) = A061068(k) for some k.

Examples

			a(10) = A007918(10 + A000040(10)) = A007918(10 + 29)= A007918(39) = 41;
a(6) = A007918(6 + A000040(6)) = A007918(6 + 13)= A007918(19) = 19 = A071329(6) = A061068(4).
		

Programs

  • Maple
    seq(nextprime(n + ithprime(n)-1),n=1..100); # Robert Israel, Jul 12 2019
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