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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A143592 Number of 2's in row n of A143589 (a Kolakoski fan).

Original entry on oeis.org

0, 1, 0, 1, 1, 3, 3, 6, 8, 12, 18, 26, 40, 60, 89, 135, 201, 303, 453, 680, 1022, 1528, 2299, 3443, 5176, 7750, 11642, 17443, 26172, 39246, 58874, 88308, 132461, 198694, 298094, 447097, 670645, 1005992, 1508898, 2263540
Offset: 1

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Author

Clark Kimberling, Aug 25 2008

Keywords

Comments

A143590 = A143591 + A143592.

Examples

			The first 6 rows of A143589 are 1; 2; 1,1; 2,1; 1,1,2; 2,1,2,2. The
respective numbers of 1's are 0,1,0,1,1,3.

Crossrefs

Cf. A000002, A143587, A143589, A143590, A143591.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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