OFFSET
1,3
COMMENTS
This sequence is a signed variant of A327460.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..5000
Rémy Sigrist, C# program for A327887
FORMULA
Apparently, abs(a(n)) ~ n as n tends to infinity.
EXAMPLE
The difference table for the first 8 terms is:
1 -1 2 -3 4 -6 8 -4 ...
-2 3 -5 7 -10 14 -12 ...
5 -8 12 -17 24 -26 ...
-13 20 -29 41 -50 ...
33 -49 70 -91 ...
-82 119 -161 ...
201 -280 ...
-481 ...
...
PROG
(C#) See Links section.
CROSSREFS
KEYWORD
sign
AUTHOR
Rémy Sigrist, Sep 29 2019
STATUS
approved