OFFSET
0,3
COMMENTS
This sequence is a permutation of the nonnegative integers with inverse A380186.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 0..5461
Rémy Sigrist, PARI program
EXAMPLE
Sequence A380123 begins: 0, 0, 1, 0, 2, -1, 0, 3, 4, 0, 4, 0, 1, 4, 5, -2.
The present sequence begins: 0, 1, 2.
PROG
(PARI) \\ See Links section.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Jan 15 2025
STATUS
approved