A018827 - cp's OEIS frontend

A018827 Numbers n such that n is a substring of its square in base 3 (written in base 10).

n	a(n)
1	0
2	1
3	3
4	7
5	9
6	27
7	32
8	43
9	81
10	131
11	243
12	287
13	706
14	729
15	1330
16	1390
17	1679
18	1832
19	2187
20	2899
21	3848
22	4170
23	5234
24	6436
25	6561
26	11544
27	12510
28	14261
29	19308
30	19683
31	30433
32	33181
33	34135
34	35203
35	35323
36	37530
37	38669
38	42783
39	59049
40	72070
41	79583
42	93539
43	99543

[0, 1, 3, 7, 9, 27, 32, 43, 81, 131, 243, 287, 706, 729, 1330, 1390, 1679, 1832, 2187, 2899, 3848, 4170, 5234, 6436, 6561, 11544, 12510, 14261, 19308, 19683, 30433, 33181, 34135, 35203, 35323, 37530, 38669, 42783, 59049, 72070, 79583, 93539, 99543]

cp's OEIS Frontend

A018827 Numbers n such that n is a substring of its square in base 3 (written in base 10).

Table of values

List of values