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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A093397 Absolute value of difference between counts of uninterrupted runs of single nonprimes in A093183 and A093184.

Original entry on oeis.org

0, 1, 2, 6, 9, 31, 88, 205, 1636, 2884, 4569, 30270, 14874
Offset: 1

Views

Author

Enoch Haga, Mar 30 2004

Keywords

Examples

			a(3)=2 because in A093183 the count is 74 and in A093184 the count is 76. 76-74=2.

Crossrefs

Cf. A093183 A093184 A092636 A092637 A092638.

Formula

Take the absolute value of differences between counts of runs of single nonprimes congruent to 1 mod 4 and 3 mod 4

Extensions

a(9)-a(13) from Robert Price, May 30 2019
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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