OFFSET
1,8
COMMENTS
See A293773 for the corresponding Y-coordinates.
The following diagram depicts the angle t cited in the name:
. P(n)* .
. | t .
. | .
. | .
. |.
. P(n-1)*
. /
. /
. P(n-2)*
This sequence has building features in common with A293680.
The representation of the first thousands points of the sequence shows a spiral.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, Representation of P(n) for n=1..100000
Rémy Sigrist, Scatterplot of a(n) for n=1..100000
Rémy Sigrist, PARI program for A293772
EXAMPLE
See representation of first points in Links section.
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
sign,look
AUTHOR
Rémy Sigrist, Oct 16 2017
STATUS
approved