OFFSET
2,1
COMMENTS
Obviously 3^n < a(n) < 3.5^n.
EXAMPLE
11 = (3 + 1/2) * (3 + 1/7) is the largest integer p that can be written as p = (3 + 1/t_1) * (3 + 1/t_2) with integers t_1,t_2 >= 2 because any such integer p is smaller than 3.5^2 = 12.25 and there is no such representation for p = 12. Hence, a(2) = 11.
PROG
(PARI) See A355626.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Markus Sigg, Jul 15 2022
STATUS
approved