A356594 - cp's OEIS frontend

A356594 Numbers k for which there exists at least one pair of positive integers (x,y) such that k = x + y and k' = x' + y', and every such pair is coprime.

n	a(n)
1	3
2	25
3	55
4	82
5	85
6	95
7	116
8	121
9	145
10	194
11	226
12	245
13	253
14	289
15	295
16	301
17	305
18	332
19	335
20	343
21	362
22	391
23	407
24	418
25	422
26	446
27	455
28	493
29	529
30	535
31	548
32	583
33	611
34	671
35	731
36	745
37	749
38	754
39	778
40	779
41	781
42	785
43	799
44	805
45	815
46	817
47	818
48	833
49	838
50	845
51	866
52	869
53	899
54	917
55	931
56	943
57	955
58	959
59	985
60	995
61	998

[3, 25, 55, 82, 85, 95, 116, 121, 145, 194, 226, 245, 253, 289, 295, 301, 305, 332, 335, 343, 362, 391, 407, 418, 422, 446, 455, 493, 529, 535, 548, 583, 611, 671, 731, 745, 749, 754, 778, 779, 781, 785, 799, 805, 815, 817, 818, 833, 838, 845, 866, 869, 899, 917, 931, 943, 955, 959, 985, 995, 998]

cp's OEIS Frontend

A356594 Numbers k for which there exists at least one pair of positive integers (x,y) such that k = x + y and k' = x' + y', and every such pair is coprime.

Table of values

List of values

n	a(n)
1	3
2	25
3	55
4	82
5	85
6	95
7	116
8	121
9	145
10	194
11	226
12	245
13	253
14	289
15	295
16	301
17	305
18	332
19	335
20	343
21	362
22	391
23	407
24	418
25	422
26	446
27	455
28	493
29	529
30	535
31	548
32	583
33	611
34	671
35	731
36	745
37	749
38	754
39	778
40	779
41	781
42	785
43	799
44	805
45	815
46	817
47	818
48	833
49	838
50	845
51	866
52	869
53	899
54	917
55	931
56	943
57	955
58	959
59	985
60	995
61	998

n	a(n)
1	3
2	25
3	55
4	82
5	85
6	95
7	116
8	121
9	145
10	194
11	226
12	245
13	253
14	289
15	295
16	301
17	305
18	332
19	335
20	343
21	362
22	391
23	407
24	418
25	422
26	446
27	455
28	493
29	529
30	535
31	548
32	583
33	611
34	671
35	731
36	745
37	749
38	754
39	778
40	779
41	781
42	785
43	799
44	805
45	815
46	817
47	818
48	833
49	838
50	845
51	866
52	869
53	899
54	917
55	931
56	943
57	955
58	959
59	985
60	995
61	998

n	a(n)
1	3
2	25
3	55
4	82
5	85
6	95
7	116
8	121
9	145
10	194
11	226
12	245
13	253
14	289
15	295
16	301
17	305
18	332
19	335
20	343
21	362
22	391
23	407
24	418
25	422
26	446
27	455
28	493
29	529
30	535
31	548
32	583
33	611
34	671
35	731
36	745
37	749
38	754
39	778
40	779
41	781
42	785
43	799
44	805
45	815
46	817
47	818
48	833
49	838
50	845
51	866
52	869
53	899
54	917
55	931
56	943
57	955
58	959
59	985
60	995
61	998