A077664 - cp's OEIS frontend

A077664 Triangle in which the n-th row contains n smallest numbers greater than n and coprime to n.

n	a(n)
1	2
2	3
3	5
4	4
5	5
6	7
7	5
8	7
9	9
10	11
11	6
12	7
13	8
14	9
15	11
16	7
17	11
18	13
19	17
20	19
21	23
22	8
23	9
24	10
25	11
26	12
27	13
28	15
29	9
30	11
31	13
32	15
33	17
34	19
35	21
36	23
37	10
38	11
39	13
40	14
41	16
42	17
43	19
44	20
45	22
46	11
47	13
48	17
49	19
50	21
51	23
52	27
53	29
54	31
55	33
56	12
57	13
58	14
59	15
60	16
61	17
62	18
63	19
64	20
65	21
66	23
67	13
68	17
69	19
70	23
71	25
72	29
73	31
74	35
75	37
76	41
77	43
78	47

[2, 3, 5, 4, 5, 7, 5, 7, 9, 11, 6, 7, 8, 9, 11, 7, 11, 13, 17, 19, 23, 8, 9, 10, 11, 12, 13, 15, 9, 11, 13, 15, 17, 19, 21, 23, 10, 11, 13, 14, 16, 17, 19, 20, 22, 11, 13, 17, 19, 21, 23, 27, 29, 31, 33, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 13, 17, 19, 23, 25, 29, 31, 35, 37, 41, 43, 47]

cp's OEIS Frontend

A077664 Triangle in which the n-th row contains n smallest numbers greater than n and coprime to n.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	4
5	5
6	7
7	5
8	7
9	9
10	11
11	6
12	7
13	8
14	9
15	11
16	7
17	11
18	13
19	17
20	19
21	23
22	8
23	9
24	10
25	11
26	12
27	13
28	15
29	9
30	11
31	13
32	15
33	17
34	19
35	21
36	23
37	10
38	11
39	13
40	14
41	16
42	17
43	19
44	20
45	22
46	11
47	13
48	17
49	19
50	21
51	23
52	27
53	29
54	31
55	33
56	12
57	13
58	14
59	15
60	16
61	17
62	18
63	19
64	20
65	21
66	23
67	13
68	17
69	19
70	23
71	25
72	29
73	31
74	35
75	37
76	41
77	43
78	47

n	a(n)
1	2
2	3
3	5
4	4
5	5
6	7
7	5
8	7
9	9
10	11
11	6
12	7
13	8
14	9
15	11
16	7
17	11
18	13
19	17
20	19
21	23
22	8
23	9
24	10
25	11
26	12
27	13
28	15
29	9
30	11
31	13
32	15
33	17
34	19
35	21
36	23
37	10
38	11
39	13
40	14
41	16
42	17
43	19
44	20
45	22
46	11
47	13
48	17
49	19
50	21
51	23
52	27
53	29
54	31
55	33
56	12
57	13
58	14
59	15
60	16
61	17
62	18
63	19
64	20
65	21
66	23
67	13
68	17
69	19
70	23
71	25
72	29
73	31
74	35
75	37
76	41
77	43
78	47

n	a(n)
1	2
2	3
3	5
4	4
5	5
6	7
7	5
8	7
9	9
10	11
11	6
12	7
13	8
14	9
15	11
16	7
17	11
18	13
19	17
20	19
21	23
22	8
23	9
24	10
25	11
26	12
27	13
28	15
29	9
30	11
31	13
32	15
33	17
34	19
35	21
36	23
37	10
38	11
39	13
40	14
41	16
42	17
43	19
44	20
45	22
46	11
47	13
48	17
49	19
50	21
51	23
52	27
53	29
54	31
55	33
56	12
57	13
58	14
59	15
60	16
61	17
62	18
63	19
64	20
65	21
66	23
67	13
68	17
69	19
70	23
71	25
72	29
73	31
74	35
75	37
76	41
77	43
78	47