A052081 - cp's OEIS frontend

A052081 Numbers k such that k^2 is a square whose decimal expansion's digits are grouped together.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 69, 70, 71, 72, 73, 74, 76, 78, 79, 80, 82, 83]

cp's OEIS Frontend

A052081 Numbers k such that k^2 is a square whose decimal expansion's digits are grouped together.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83