A072905 - cp's OEIS frontend

A072905 a(n) is the least k > n such that k*n is a square.

n	a(n)
1	4
2	8
3	12
4	9
5	20
6	24
7	28
8	18
9	16
10	40
11	44
12	27
13	52
14	56
15	60
16	25
17	68
18	32
19	76
20	45
21	84
22	88
23	92
24	54
25	36
26	104
27	48
28	63
29	116
30	120
31	124
32	50
33	132
34	136
35	140
36	49
37	148
38	152
39	156
40	90
41	164
42	168
43	172
44	99
45	80
46	184
47	188
48	75
49	64
50	72
51	204
52	117
53	212
54	96
55	220
56	126
57	228
58	232
59	236
60	135
61	244
62	248

[4, 8, 12, 9, 20, 24, 28, 18, 16, 40, 44, 27, 52, 56, 60, 25, 68, 32, 76, 45, 84, 88, 92, 54, 36, 104, 48, 63, 116, 120, 124, 50, 132, 136, 140, 49, 148, 152, 156, 90, 164, 168, 172, 99, 80, 184, 188, 75, 64, 72, 204, 117, 212, 96, 220, 126, 228, 232, 236, 135, 244, 248]

cp's OEIS Frontend

A072905 a(n) is the least k > n such that k*n is a square.

Table of values

List of values

n	a(n)
1	4
2	8
3	12
4	9
5	20
6	24
7	28
8	18
9	16
10	40
11	44
12	27
13	52
14	56
15	60
16	25
17	68
18	32
19	76
20	45
21	84
22	88
23	92
24	54
25	36
26	104
27	48
28	63
29	116
30	120
31	124
32	50
33	132
34	136
35	140
36	49
37	148
38	152
39	156
40	90
41	164
42	168
43	172
44	99
45	80
46	184
47	188
48	75
49	64
50	72
51	204
52	117
53	212
54	96
55	220
56	126
57	228
58	232
59	236
60	135
61	244
62	248

n	a(n)
1	4
2	8
3	12
4	9
5	20
6	24
7	28
8	18
9	16
10	40
11	44
12	27
13	52
14	56
15	60
16	25
17	68
18	32
19	76
20	45
21	84
22	88
23	92
24	54
25	36
26	104
27	48
28	63
29	116
30	120
31	124
32	50
33	132
34	136
35	140
36	49
37	148
38	152
39	156
40	90
41	164
42	168
43	172
44	99
45	80
46	184
47	188
48	75
49	64
50	72
51	204
52	117
53	212
54	96
55	220
56	126
57	228
58	232
59	236
60	135
61	244
62	248

n	a(n)
1	4
2	8
3	12
4	9
5	20
6	24
7	28
8	18
9	16
10	40
11	44
12	27
13	52
14	56
15	60
16	25
17	68
18	32
19	76
20	45
21	84
22	88
23	92
24	54
25	36
26	104
27	48
28	63
29	116
30	120
31	124
32	50
33	132
34	136
35	140
36	49
37	148
38	152
39	156
40	90
41	164
42	168
43	172
44	99
45	80
46	184
47	188
48	75
49	64
50	72
51	204
52	117
53	212
54	96
55	220
56	126
57	228
58	232
59	236
60	135
61	244
62	248