A030287 - cp's OEIS frontend

A030287 a(n) is the smallest k > a(n-1) such that k^2 has no digit in common with a(n-1)^2.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	15
10	19
11	20
12	23
13	26
14	29
15	30
16	34
17	47
18	56
19	65
20	83
21	85
22	90
23	156
24	241
25	264
26	265
27	291
28	300
29	334
30	448
31	563
32	638
33	715
34	780
35	961
36	2000
37	2261
38	2457
39	3335
40	5478
41	7154
42	9128
43	9569
44	14220
45	17654
46	20000
47	22609
48	26462
49	28604
50	30000

[0, 1, 2, 3, 4, 5, 6, 7, 9, 15, 19, 20, 23, 26, 29, 30, 34, 47, 56, 65, 83, 85, 90, 156, 241, 264, 265, 291, 300, 334, 448, 563, 638, 715, 780, 961, 2000, 2261, 2457, 3335, 5478, 7154, 9128, 9569, 14220, 17654, 20000, 22609, 26462, 28604, 30000]

cp's OEIS Frontend

A030287 a(n) is the smallest k > a(n-1) such that k^2 has no digit in common with a(n-1)^2.

Table of values

List of values