OFFSET
1,2
COMMENTS
Apparently, f_n is finite for any n > 0.
The first records are:
n a(n)
------- ----
1 1
2 39
25 40
61 41
78 45
266 47
279 56
629 102
95417 103
331468 104
1318090 108
5383290 109
LINKS
Rémy Sigrist, PARI program for A326791
EXAMPLE
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Oct 19 2019
STATUS
approved