A055851 - cp's OEIS frontend

A055851 a(n) and floor(a(n)/6) are both squares; i.e., squares that remain squares when written in base 6 and last digit is removed.

n	a(n)
1	0
2	1
3	4
4	9
5	25
6	100
7	729
8	2401
9	9604
10	71289
11	235225
12	940900
13	6985449
14	23049601
15	92198404
16	684502569
17	2258625625
18	9034502500
19	67074266169
20	221322261601
21	885289046404
22	6572593581849
23	21687323011225
24	86749292044900

[0, 1, 4, 9, 25, 100, 729, 2401, 9604, 71289, 235225, 940900, 6985449, 23049601, 92198404, 684502569, 2258625625, 9034502500, 67074266169, 221322261601, 885289046404, 6572593581849, 21687323011225, 86749292044900]

cp's OEIS Frontend

A055851 a(n) and floor(a(n)/6) are both squares; i.e., squares that remain squares when written in base 6 and last digit is removed.

Table of values

List of values