OFFSET
0,6
COMMENTS
This sequence is a variant of A337804.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 0..9800
Rémy Sigrist, PARI program for A338367
Rémy Sigrist, Colored scatterplot of (x, y) such that T(n, k) = T(n+y, k+x) with -250 <= n, n+y, k, k+x <= 250 (where the hue is function of T(n, o))
Rémy Sigrist, Colored representation of the spiral for -250 <= x, y <= 250 (where the hue is function of T(y, x))
EXAMPLE
The spiral begins:
10--13---8--12---9--11---7
| |
11 2---6---5---4---3 10
| | | |
14 7 0---1---0 2 8
| | | | | |
15 4 2 0---0 3 9
| | | | |
12 6 1---3---4---1 7
| | |
13 5---7---8---9---5---6
|
10--14--11--15--16--17--12
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Oct 23 2020
STATUS
approved