A274188 - cp's OEIS frontend

A274188 Number n such that there is a smaller positive number j == n (mod 5) such that sqrt(j*n) is an integer.

n	a(n)
1	9
2	16
3	18
4	20
5	27
6	32
7	36
8	40
9	45
10	48
11	49
12	54
13	60
14	63
15	64
16	72
17	80
18	81
19	90
20	96
21	98
22	99
23	100
24	108
25	112
26	117
27	120
28	121
29	125
30	126
31	128
32	135
33	140
34	144
35	147
36	153
37	160
38	162
39	169
40	171
41	176
42	180
43	189
44	192
45	196
46	198
47	200
48	207
49	208
50	216
51	220
52	224
53	225
54	234
55	240
56	242
57	243
58	245
59	250

[9, 16, 18, 20, 27, 32, 36, 40, 45, 48, 49, 54, 60, 63, 64, 72, 80, 81, 90, 96, 98, 99, 100, 108, 112, 117, 120, 121, 125, 126, 128, 135, 140, 144, 147, 153, 160, 162, 169, 171, 176, 180, 189, 192, 196, 198, 200, 207, 208, 216, 220, 224, 225, 234, 240, 242, 243, 245, 250]

cp's OEIS Frontend

A274188 Number n such that there is a smaller positive number j == n (mod 5) such that sqrt(j*n) is an integer.

Table of values

List of values

n	a(n)
1	9
2	16
3	18
4	20
5	27
6	32
7	36
8	40
9	45
10	48
11	49
12	54
13	60
14	63
15	64
16	72
17	80
18	81
19	90
20	96
21	98
22	99
23	100
24	108
25	112
26	117
27	120
28	121
29	125
30	126
31	128
32	135
33	140
34	144
35	147
36	153
37	160
38	162
39	169
40	171
41	176
42	180
43	189
44	192
45	196
46	198
47	200
48	207
49	208
50	216
51	220
52	224
53	225
54	234
55	240
56	242
57	243
58	245
59	250

n	a(n)
1	9
2	16
3	18
4	20
5	27
6	32
7	36
8	40
9	45
10	48
11	49
12	54
13	60
14	63
15	64
16	72
17	80
18	81
19	90
20	96
21	98
22	99
23	100
24	108
25	112
26	117
27	120
28	121
29	125
30	126
31	128
32	135
33	140
34	144
35	147
36	153
37	160
38	162
39	169
40	171
41	176
42	180
43	189
44	192
45	196
46	198
47	200
48	207
49	208
50	216
51	220
52	224
53	225
54	234
55	240
56	242
57	243
58	245
59	250

n	a(n)
1	9
2	16
3	18
4	20
5	27
6	32
7	36
8	40
9	45
10	48
11	49
12	54
13	60
14	63
15	64
16	72
17	80
18	81
19	90
20	96
21	98
22	99
23	100
24	108
25	112
26	117
27	120
28	121
29	125
30	126
31	128
32	135
33	140
34	144
35	147
36	153
37	160
38	162
39	169
40	171
41	176
42	180
43	189
44	192
45	196
46	198
47	200
48	207
49	208
50	216
51	220
52	224
53	225
54	234
55	240
56	242
57	243
58	245
59	250