OFFSET
0,4
COMMENTS
The Example section of A275609 shows the central portion of the spiral very clearly. The link below shows a larger portion but is harder to read.
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..1000
N. J. A. Sloane, Central portion of spiral, shown without spaces [The central 0 (at (0,0)) has been changed to an X. The illustration shows cells (x,y) with -35 <= x <= 35, -33 <= y <= 36.] The present sequence gives the numbers to the North-West of the X.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 29 2019
EXTENSIONS
More terms from Alois P. Heinz, Mar 30 2019
STATUS
approved