A106033 - cp's OEIS frontend

A106033 a(n) is the least number k such that n*prime(n)+k is a perfect square.

n	a(n)
1	2
2	3
3	1
4	8
5	9
6	3
7	2
8	17
9	18
10	34
11	20
12	40
13	43
14	23
15	24
16	52
17	21
18	58
19	23
20	24
21	67
22	26
23	27
24	73
25	75
26	78
27	28
28	29
29	88
30	91
31	32
32	33
33	103
34	35
35	114
36	40
37	120
38	47
39	48
40	136
41	57
42	142
43	68
44	157
45	160
46	62
47	83
48	112
49	113
50	214
51	217
52	116
53	223
54	135
55	26
56	156
57	43
58	158
59	41
60	40
61	161
62	59
63	259
64	260
65	104
66	103

[2, 3, 1, 8, 9, 3, 2, 17, 18, 34, 20, 40, 43, 23, 24, 52, 21, 58, 23, 24, 67, 26, 27, 73, 75, 78, 28, 29, 88, 91, 32, 33, 103, 35, 114, 40, 120, 47, 48, 136, 57, 142, 68, 157, 160, 62, 83, 112, 113, 214, 217, 116, 223, 135, 26, 156, 43, 158, 41, 40, 161, 59, 259, 260, 104, 103]

cp's OEIS Frontend

A106033 a(n) is the least number k such that n*prime(n)+k is a perfect square.

Table of values

List of values

n	a(n)
1	2
2	3
3	1
4	8
5	9
6	3
7	2
8	17
9	18
10	34
11	20
12	40
13	43
14	23
15	24
16	52
17	21
18	58
19	23
20	24
21	67
22	26
23	27
24	73
25	75
26	78
27	28
28	29
29	88
30	91
31	32
32	33
33	103
34	35
35	114
36	40
37	120
38	47
39	48
40	136
41	57
42	142
43	68
44	157
45	160
46	62
47	83
48	112
49	113
50	214
51	217
52	116
53	223
54	135
55	26
56	156
57	43
58	158
59	41
60	40
61	161
62	59
63	259
64	260
65	104
66	103

n	a(n)
1	2
2	3
3	1
4	8
5	9
6	3
7	2
8	17
9	18
10	34
11	20
12	40
13	43
14	23
15	24
16	52
17	21
18	58
19	23
20	24
21	67
22	26
23	27
24	73
25	75
26	78
27	28
28	29
29	88
30	91
31	32
32	33
33	103
34	35
35	114
36	40
37	120
38	47
39	48
40	136
41	57
42	142
43	68
44	157
45	160
46	62
47	83
48	112
49	113
50	214
51	217
52	116
53	223
54	135
55	26
56	156
57	43
58	158
59	41
60	40
61	161
62	59
63	259
64	260
65	104
66	103

n	a(n)
1	2
2	3
3	1
4	8
5	9
6	3
7	2
8	17
9	18
10	34
11	20
12	40
13	43
14	23
15	24
16	52
17	21
18	58
19	23
20	24
21	67
22	26
23	27
24	73
25	75
26	78
27	28
28	29
29	88
30	91
31	32
32	33
33	103
34	35
35	114
36	40
37	120
38	47
39	48
40	136
41	57
42	142
43	68
44	157
45	160
46	62
47	83
48	112
49	113
50	214
51	217
52	116
53	223
54	135
55	26
56	156
57	43
58	158
59	41
60	40
61	161
62	59
63	259
64	260
65	104
66	103