A356276 a(n) is the number of integers that can be written as (3 + 1/t_1)^m * (3 + 1/t_2)^(n-m) with integers t_1,t_2 >= 2 and 0 < m < n.

2, 2, 3, 2, 4, 3, 4, 5, 4, 4

Offset

2,1

Comments

For comments and a PARI program see A356275.

Links

Table of n, a(n) for n=2..11.

Crossrefs

Cf. A355626, A356275, A356277, A356278, A356279.

Sequence in context: A232479 A162897 A364236 * A286532 A286622 A286589

Adjacent sequences: A356273 A356274 A356275 * A356277 A356278 A356279

Keyword

nonn,more

Author

Markus Sigg, Aug 03 2022

Extensions

a(11) from Jinyuan Wang, Aug 04 2022

Status

approved