A115403 - cp's OEIS frontend

A115403 Numbers k such that k^3+1 is 3-almost prime (product of three primes).

n	a(n)
1	3
2	9
3	10
4	12
5	13
6	21
7	25
8	30
9	34
10	36
11	40
12	46
13	52
14	66
15	76
16	81
17	90
18	96
19	118
20	120
21	126
22	130
23	132
24	142
25	144
26	154
27	165
28	168
29	172
30	177
31	180
32	193
33	196
34	198
35	204
36	216
37	226
38	228
39	238
40	240
41	246
42	250
43	256
44	262
45	268
46	273
47	282
48	288
49	294
50	312
51	333
52	336
53	345
54	346
55	366
56	370

[3, 9, 10, 12, 13, 21, 25, 30, 34, 36, 40, 46, 52, 66, 76, 81, 90, 96, 118, 120, 126, 130, 132, 142, 144, 154, 165, 168, 172, 177, 180, 193, 196, 198, 204, 216, 226, 228, 238, 240, 246, 250, 256, 262, 268, 273, 282, 288, 294, 312, 333, 336, 345, 346, 366, 370]

cp's OEIS Frontend

A115403 Numbers k such that k^3+1 is 3-almost prime (product of three primes).

Table of values

List of values

n	a(n)
1	3
2	9
3	10
4	12
5	13
6	21
7	25
8	30
9	34
10	36
11	40
12	46
13	52
14	66
15	76
16	81
17	90
18	96
19	118
20	120
21	126
22	130
23	132
24	142
25	144
26	154
27	165
28	168
29	172
30	177
31	180
32	193
33	196
34	198
35	204
36	216
37	226
38	228
39	238
40	240
41	246
42	250
43	256
44	262
45	268
46	273
47	282
48	288
49	294
50	312
51	333
52	336
53	345
54	346
55	366
56	370

n	a(n)
1	3
2	9
3	10
4	12
5	13
6	21
7	25
8	30
9	34
10	36
11	40
12	46
13	52
14	66
15	76
16	81
17	90
18	96
19	118
20	120
21	126
22	130
23	132
24	142
25	144
26	154
27	165
28	168
29	172
30	177
31	180
32	193
33	196
34	198
35	204
36	216
37	226
38	228
39	238
40	240
41	246
42	250
43	256
44	262
45	268
46	273
47	282
48	288
49	294
50	312
51	333
52	336
53	345
54	346
55	366
56	370

n	a(n)
1	3
2	9
3	10
4	12
5	13
6	21
7	25
8	30
9	34
10	36
11	40
12	46
13	52
14	66
15	76
16	81
17	90
18	96
19	118
20	120
21	126
22	130
23	132
24	142
25	144
26	154
27	165
28	168
29	172
30	177
31	180
32	193
33	196
34	198
35	204
36	216
37	226
38	228
39	238
40	240
41	246
42	250
43	256
44	262
45	268
46	273
47	282
48	288
49	294
50	312
51	333
52	336
53	345
54	346
55	366
56	370