OFFSET
0,8
COMMENTS
LINKS
Rémy Sigrist, Colored scatterplot for abs(x) <= 500 and abs(y) <= 500 (where the hue is function of sqrt(T(abs(x), abs(y))))
Rémy Sigrist, Voronoi diagram of the squares of Gaussian integers for abs(x) <= 500 and abs(y) <= 500
Rémy Sigrist, Scatterplot of (x, y) such that T(abs(x), abs(y)) is a square and abs(x) <= 500 and abs(y) <= 500
Rémy Sigrist, PARI program for A301636
Wikipedia, Gaussian integer
Wikipedia, Voronoi diagram
FORMULA
EXAMPLE
Square array begins:
n\k| 0 1 2 3 4 5 6 7 8 9 10
---+-------------------------------------------------------
0| 0 1 0 1 4 9 4 1 0 1 4
1| 0 1 1 2 4 5 5 2 1 2 5
2| 1 2 4 2 1 2 5 5 4 5 8
3| 1 2 4 1 0 1 4 9 9 10 8
4| 0 1 4 2 1 2 5 10 16 10 5
5| 1 2 5 5 4 5 8 10 13 9 4
6| 4 5 8 10 8 5 4 5 8 10 5
7| 4 5 8 10 5 2 1 2 5 10 8
8| 1 2 5 9 4 1 0 1 4 9 13
9| 0 1 4 9 5 2 1 2 5 10 17
10| 1 2 5 10 8 5 4 5 8 13 20
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Rémy Sigrist, Mar 25 2018
STATUS
approved