A238540 - cp's OEIS frontend

A238540 A fourth-order linear divisibility sequence: a(n) := (3^n + 1)(3^(3n) - 1)/( (3 + 1)*(3^3 - 1)).

n	a(n)
1	1
2	70
3	5299
4	419020
5	33664741
6	2719393810
7	220069738519
8	17820217484440
9	1443290970139081
10	116902609136432350
11	9469004435040169339
12	766986472802959676260
13	62125826363286791503021
14	5032189831214900660779690
15	407607319514701058318401759
16	33016191346720726553176114480

[1, 70, 5299, 419020, 33664741, 2719393810, 220069738519, 17820217484440, 1443290970139081, 116902609136432350, 9469004435040169339, 766986472802959676260, 62125826363286791503021, 5032189831214900660779690, 407607319514701058318401759, 33016191346720726553176114480]

cp's OEIS Frontend

A238540 A fourth-order linear divisibility sequence: a(n) := (3^n + 1)(3^(3n) - 1)/( (3 + 1)*(3^3 - 1)).

Table of values

List of values

cp's OEIS Frontend

A238540 A fourth-order linear divisibility sequence: a(n) := (3^n + 1)*(3^(3*n) - 1)/( (3 + 1)*(3^3 - 1)).

Table of values

List of values

A238540 A fourth-order linear divisibility sequence: a(n) := (3^n + 1)(3^(3n) - 1)/( (3 + 1)*(3^3 - 1)).