A232009 - cp's OEIS frontend

A232009 a(n) = the smallest squarefree number (from A005117) of the form p*q with prime factors in a p^2 + n progression, or 0 if no such number exists.

n	a(n)
1	10
2	33
3	14
4	39
5	0
6	155
7	22
8	51
9	26
10	57
11	0
12	185
13	34
14	69
15	38
16	205
17	0
18	215
19	46
20	87
21	0
22	93
23	0
24	511
25	58
26	0
27	62
28	111
29	0
30	553
31	0
32	123
33	74
34	129
35	0
36	305
37	82
38	141
39	86
40	623
41	0
42	335
43	94
44	159
45	0
46	355
47	0
48	365
49	106
50	177
51	0
52	183
53	0
54	395
55	118
56	0
57	122
58	201
59	0
60	763
61	0
62	213
63	134

[10, 33, 14, 39, 0, 155, 22, 51, 26, 57, 0, 185, 34, 69, 38, 205, 0, 215, 46, 87, 0, 93, 0, 511, 58, 0, 62, 111, 0, 553, 0, 123, 74, 129, 0, 305, 82, 141, 86, 623, 0, 335, 94, 159, 0, 355, 0, 365, 106, 177, 0, 183, 0, 395, 118, 0, 122, 201, 0, 763, 0, 213, 134]

cp's OEIS Frontend

A232009 a(n) = the smallest squarefree number (from A005117) of the form p*q with prime factors in a p^2 + n progression, or 0 if no such number exists.

Table of values

List of values

n	a(n)
1	10
2	33
3	14
4	39
5	0
6	155
7	22
8	51
9	26
10	57
11	0
12	185
13	34
14	69
15	38
16	205
17	0
18	215
19	46
20	87
21	0
22	93
23	0
24	511
25	58
26	0
27	62
28	111
29	0
30	553
31	0
32	123
33	74
34	129
35	0
36	305
37	82
38	141
39	86
40	623
41	0
42	335
43	94
44	159
45	0
46	355
47	0
48	365
49	106
50	177
51	0
52	183
53	0
54	395
55	118
56	0
57	122
58	201
59	0
60	763
61	0
62	213
63	134

n	a(n)
1	10
2	33
3	14
4	39
5	0
6	155
7	22
8	51
9	26
10	57
11	0
12	185
13	34
14	69
15	38
16	205
17	0
18	215
19	46
20	87
21	0
22	93
23	0
24	511
25	58
26	0
27	62
28	111
29	0
30	553
31	0
32	123
33	74
34	129
35	0
36	305
37	82
38	141
39	86
40	623
41	0
42	335
43	94
44	159
45	0
46	355
47	0
48	365
49	106
50	177
51	0
52	183
53	0
54	395
55	118
56	0
57	122
58	201
59	0
60	763
61	0
62	213
63	134

n	a(n)
1	10
2	33
3	14
4	39
5	0
6	155
7	22
8	51
9	26
10	57
11	0
12	185
13	34
14	69
15	38
16	205
17	0
18	215
19	46
20	87
21	0
22	93
23	0
24	511
25	58
26	0
27	62
28	111
29	0
30	553
31	0
32	123
33	74
34	129
35	0
36	305
37	82
38	141
39	86
40	623
41	0
42	335
43	94
44	159
45	0
46	355
47	0
48	365
49	106
50	177
51	0
52	183
53	0
54	395
55	118
56	0
57	122
58	201
59	0
60	763
61	0
62	213
63	134