A307447 - OEIS

A307447

Second coordinate of a contiguous path on the odd numbered points of a square lattice leading to a distance-limited bijection with the even numbered points of a square lattice rotated by Pi/6 around the common point (0,0). A307446 gives the first coordinate.

1, 1, 3, 5, 5, 5, 3, 3, 3, 5, 7, 7, 9, 11, 11, 11, 13, 15, 15, 17, 19, 19, 19, 17, 17, 17, 19, 21, 21, 21, 19, 19, 19, 17, 15, 15, 13, 11, 11, 11, 9, 9, 9, 11, 13, 13, 13, 11, 11, 11, 13, 15, 15, 17, 19, 19, 19, 21, 23, 23, 25, 27, 27, 27, 25, 25, 25, 27

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

OFFSET

1,3

COMMENTS

For a description of the construction and visualizations see A307446.

LINKS

Hugo Pfoertner, Table of n, a(n) for n = 1..10000

Index entries for sequences related to coordinates of 2D curves

PROG

(PARI) \\ See A307446 for PARI code.

CROSSREFS

Cf. A307110, A307446.