OFFSET
1,2
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..20000 (first 4326 terms from N. J. A. Sloane)
Rémy Sigrist, PARI program
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 27 2022
STATUS
approved