A026809 - cp's OEIS frontend

A026809 a(n) = 3^n(3^n-1)(3^n-2)/6.

n	a(n)
0	0
1	1
2	84
3	2925
4	85320
5	2362041
6	64304604
7	1741001445
8	47050068240
9	1270739210481
10	34313445309924
11	926494403955165
12	25015631334908760
13	675424587904113321
14	18236486750190760044
15	492385348146244352085
16	13294406252968671566880

[0, 1, 84, 2925, 85320, 2362041, 64304604, 1741001445, 47050068240, 1270739210481, 34313445309924, 926494403955165, 25015631334908760, 675424587904113321, 18236486750190760044, 492385348146244352085, 13294406252968671566880]

cp's OEIS Frontend

A026809 a(n) = 3^n(3^n-1)(3^n-2)/6.

Table of values

List of values

cp's OEIS Frontend

A026809 a(n) = 3^n*(3^n-1)*(3^n-2)/6.

Table of values

List of values

A026809 a(n) = 3^n(3^n-1)(3^n-2)/6.