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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A127833 T(3n,2n), where T is the array in A127832.

Original entry on oeis.org

0, 4, 54, 954, 19116, 412430, 9343712, 219173604, 5276758498, 129640779394
Offset: 0

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Author

Clark Kimberling, Feb 01 2007

Keywords

Examples

			The 4 UR paths counted by a(1)=T(3,2) are RRRUU, RRURU, UURRR, URURR. These
paths touch the line y=2x/3 only at the lattice points (0,0) and (3,2).

Crossrefs

Cf. A127832.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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