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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A293667 First difference of A293666.

Original entry on oeis.org

2, 3, 5, -7, 11, -13, 17, 19, -31, 23, 29, -47, 37, -41, 43, 53, -83, 59, -71, 61, 67, -127, 73, 79, -157, 89, 97, -173, 101, -103, 107, -109, 113, 131, -241, 137, 139, -271, 149, -151, 163, 167, -337, 179, 181, -349, 191, 193, -383, 197, -199, 211, 223, -431
Offset: 1

Views

Author

Rémy Sigrist, Oct 14 2017

Keywords

Comments

For any n > 0, |a(n)| is prime.

Examples

			a(10) = A293666(11) - A293666(10) = 30 - 7 = 23.

Crossrefs

Cf. A293666.
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