A112263 - OEIS

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A112263

A good sequence of gaps for Shellsort, found by genetic programming.

1, 4, 13, 23, 61, 177, 444, 1325, 3716, 8186, 18168, 62025, 275360, 461299, 498201

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

The gaps were determined for a maximum length of the test arrays of 500000. - Hugo Pfoertner, Nov 04 2024

LINKS

Table of n, a(n) for n=1..15.

Gene Michael Stover, Improving Shellsort Through Evolution, 2002-2006. See Figure 2.

CROSSREFS

Cf. A033622, A102549, A108870.

Cf. A112262.

Sequence in context: A063631 A031240 A031320 * A244291 A085018 A255840

Adjacent sequences: A112260 A112261 A112262 * A112264 A112265 A112266

KEYWORD

nonn,fini,full

AUTHOR

Jud McCranie, Aug 30 2005

STATUS

approved

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