OFFSET
1,6
LINKS
Rémy Sigrist, PARI program
FORMULA
a(n) <= a(n+1) <= 2*a(n).
a(p) = a(p-1) for any prime number p.
EXAMPLE
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Feb 02 2023
STATUS
approved