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A351352 Denominator of the square of the radius of the largest circle, centered at the origin, around which a Racetrack car (using von Neumann neighborhood) can run a full lap in n steps. 5
2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 2, 2, 5, 13, 1, 13, 1, 25, 1, 1, 5, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
8,1
COMMENTS
The car starts and finishes on the positive x-axis, as in A351042.
The square of the radius of the largest circle is a rational number, because the squared distance from the origin to a line segment between two points with integer coordinates is always rational.
LINKS
Wikipedia, Racetrack
EXAMPLE
See A351351 for examples.
CROSSREFS
Cf. A351042, A351350, A351351 (numerators).
Sequence in context: A248145 A171398 A113607 * A082586 A160094 A043283
KEYWORD
nonn,frac,more
AUTHOR
STATUS
approved

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Last modified April 16 03:28 EDT 2024. Contains 371696 sequences. (Running on oeis4.)