A074981 - cp's OEIS frontend

A074981 Conjectured list of positive numbers which are not of the form r^i - s^j, where r,s,i,j are integers with r>0, s>0, i>1, j>1.

n	a(n)
1	6
2	14
3	34
4	42
5	50
6	58
7	62
8	66
9	70
10	78
11	82
12	86
13	90
14	102
15	110
16	114
17	130
18	134
19	158
20	178
21	182
22	202
23	206
24	210
25	226
26	230
27	238
28	246
29	254
30	258
31	266
32	274
33	278
34	290
35	302
36	306
37	310
38	314
39	322
40	326
41	330
42	358
43	374
44	378
45	390
46	394
47	398
48	402
49	410
50	418
51	422
52	426

[6, 14, 34, 42, 50, 58, 62, 66, 70, 78, 82, 86, 90, 102, 110, 114, 130, 134, 158, 178, 182, 202, 206, 210, 226, 230, 238, 246, 254, 258, 266, 274, 278, 290, 302, 306, 310, 314, 322, 326, 330, 358, 374, 378, 390, 394, 398, 402, 410, 418, 422, 426]

cp's OEIS Frontend

A074981 Conjectured list of positive numbers which are not of the form r^i - s^j, where r,s,i,j are integers with r>0, s>0, i>1, j>1.

Table of values

List of values

n	a(n)
1	6
2	14
3	34
4	42
5	50
6	58
7	62
8	66
9	70
10	78
11	82
12	86
13	90
14	102
15	110
16	114
17	130
18	134
19	158
20	178
21	182
22	202
23	206
24	210
25	226
26	230
27	238
28	246
29	254
30	258
31	266
32	274
33	278
34	290
35	302
36	306
37	310
38	314
39	322
40	326
41	330
42	358
43	374
44	378
45	390
46	394
47	398
48	402
49	410
50	418
51	422
52	426

n	a(n)
1	6
2	14
3	34
4	42
5	50
6	58
7	62
8	66
9	70
10	78
11	82
12	86
13	90
14	102
15	110
16	114
17	130
18	134
19	158
20	178
21	182
22	202
23	206
24	210
25	226
26	230
27	238
28	246
29	254
30	258
31	266
32	274
33	278
34	290
35	302
36	306
37	310
38	314
39	322
40	326
41	330
42	358
43	374
44	378
45	390
46	394
47	398
48	402
49	410
50	418
51	422
52	426

n	a(n)
1	6
2	14
3	34
4	42
5	50
6	58
7	62
8	66
9	70
10	78
11	82
12	86
13	90
14	102
15	110
16	114
17	130
18	134
19	158
20	178
21	182
22	202
23	206
24	210
25	226
26	230
27	238
28	246
29	254
30	258
31	266
32	274
33	278
34	290
35	302
36	306
37	310
38	314
39	322
40	326
41	330
42	358
43	374
44	378
45	390
46	394
47	398
48	402
49	410
50	418
51	422
52	426