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.

A079889 Primes indexed by A078515; i.e., primes which start record runs of consecutive primes with distinct first differences.

Original entry on oeis.org

2, 17, 83, 113, 491, 1367, 1801, 5869, 15919, 34883, 70639, 70657, 214867, 2515871, 3952733, 13010143, 30220163, 60155567, 69931991, 203674907, 1092101119, 1363592621, 1363592677, 2124140323, 23024158649, 30282104173, 196948778371
Offset: 1

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Author

N. J. A. Sloane, Jan 07 2003

Keywords

Examples

			2, 17 and 83 are in the sequence because the 3 consecutive primes 2,3,5 have distinct first differences 1,2, the 4 consecutive primes 17,19,23,29 have distinct differences 2,4,6, and the 5 consecutive primes 83,89,97,101,103 have distinct differences 6,8,4,2.
		

Crossrefs

Cf. A078515, A078516. Same as A079007 with duplicates removed.

Formula

a(n) = A078515(n)-th prime.

Extensions

More terms from Don Reble, Jan 15 2003
a(25)-a(27) from Donovan Johnson, Oct 23 2012