A357022 Second coordinate y of points in the triangular lattice, sorted first by the distance from the origin and then by the circumferential angle phi restricted to the sector 0 <= phi < Pi/6. x is given in A357021.

0, 0, 1, 0, 1, 0, 2, 1, 0, 2, 1, 0, 3, 2, 1, 0, 3, 2, 1, 4, 0, 3, 2, 1, 4, 3, 0, 2, 1, 5, 4, 3, 0, 2, 1, 5, 4, 3, 0, 2, 6, 5, 1, 4, 3, 0, 2, 6, 5, 1, 4, 3, 0, 2, 7, 6, 5, 4, 1, 3, 0, 7, 6, 2, 5, 4, 1, 3, 8, 7, 0, 6, 2, 5, 4, 1, 3, 8, 7, 6, 0, 2, 5, 4, 1, 9, 8, 3

Offset

1,7

Comments

See A357021 for more information.

Links

Table of n, a(n) for n=1..88.

Crossrefs

Cf. A357021.

Sequence in context: A216607 A025672 A025665 * A025841 A138468 A337548

Adjacent sequences: A357019 A357020 A357021 * A357023 A357024 A357025

Keyword

nonn

Author

Hugo Pfoertner, Sep 10 2022

Status

approved