A162190 - cp's OEIS frontend

A162190 Triangle read by rows in which row n lists the divisors of n, the n-th prime and the consecutive composites that are greater than the n-th prime, with a(0)=1.

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	3
9	5
10	6
11	1
12	2
13	4
14	7
15	8
16	9
17	10
18	1
19	5
20	11
21	12
22	1
23	2
24	3
25	6
26	13
27	14
28	15
29	16
30	1
31	7
32	17
33	18
34	1
35	2
36	4
37	8
38	19
39	20
40	21
41	22
42	1
43	3
44	9
45	23
46	24
47	25
48	26
49	27
50	28
51	1
52	2
53	5
54	10
55	29
56	30
57	1
58	11
59	31
60	32
61	33
62	34
63	35
64	36
65	1
66	2
67	3
68	4
69	6
70	12
71	37
72	38
73	39
74	40

[1, 1, 2, 1, 2, 3, 4, 1, 3, 5, 6, 1, 2, 4, 7, 8, 9, 10, 1, 5, 11, 12, 1, 2, 3, 6, 13, 14, 15, 16, 1, 7, 17, 18, 1, 2, 4, 8, 19, 20, 21, 22, 1, 3, 9, 23, 24, 25, 26, 27, 28, 1, 2, 5, 10, 29, 30, 1, 11, 31, 32, 33, 34, 35, 36, 1, 2, 3, 4, 6, 12, 37, 38, 39, 40]

cp's OEIS Frontend

A162190 Triangle read by rows in which row n lists the divisors of n, the n-th prime and the consecutive composites that are greater than the n-th prime, with a(0)=1.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	3
9	5
10	6
11	1
12	2
13	4
14	7
15	8
16	9
17	10
18	1
19	5
20	11
21	12
22	1
23	2
24	3
25	6
26	13
27	14
28	15
29	16
30	1
31	7
32	17
33	18
34	1
35	2
36	4
37	8
38	19
39	20
40	21
41	22
42	1
43	3
44	9
45	23
46	24
47	25
48	26
49	27
50	28
51	1
52	2
53	5
54	10
55	29
56	30
57	1
58	11
59	31
60	32
61	33
62	34
63	35
64	36
65	1
66	2
67	3
68	4
69	6
70	12
71	37
72	38
73	39
74	40

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	3
9	5
10	6
11	1
12	2
13	4
14	7
15	8
16	9
17	10
18	1
19	5
20	11
21	12
22	1
23	2
24	3
25	6
26	13
27	14
28	15
29	16
30	1
31	7
32	17
33	18
34	1
35	2
36	4
37	8
38	19
39	20
40	21
41	22
42	1
43	3
44	9
45	23
46	24
47	25
48	26
49	27
50	28
51	1
52	2
53	5
54	10
55	29
56	30
57	1
58	11
59	31
60	32
61	33
62	34
63	35
64	36
65	1
66	2
67	3
68	4
69	6
70	12
71	37
72	38
73	39
74	40

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	3
9	5
10	6
11	1
12	2
13	4
14	7
15	8
16	9
17	10
18	1
19	5
20	11
21	12
22	1
23	2
24	3
25	6
26	13
27	14
28	15
29	16
30	1
31	7
32	17
33	18
34	1
35	2
36	4
37	8
38	19
39	20
40	21
41	22
42	1
43	3
44	9
45	23
46	24
47	25
48	26
49	27
50	28
51	1
52	2
53	5
54	10
55	29
56	30
57	1
58	11
59	31
60	32
61	33
62	34
63	35
64	36
65	1
66	2
67	3
68	4
69	6
70	12
71	37
72	38
73	39
74	40