A247815 - cp's OEIS frontend

A247815 Number of primes in n-th row of triangle A077581.

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

[0, 1, 1, 3, 2, 5, 3, 5, 5, 7, 4, 9, 5, 9, 7, 10, 6, 14, 7, 13, 10, 13, 8, 18, 10, 14, 11, 16, 9, 26, 10, 17, 14, 18, 13, 26, 11, 20, 16, 23, 12, 31, 13, 22, 21, 22, 14, 32, 15, 28, 20, 27, 15, 35, 19, 29, 22, 28, 16, 45, 17, 29, 27, 30, 21, 44, 18, 32, 26]

cp's OEIS Frontend

A247815 Number of primes in n-th row of triangle A077581.

Table of values

List of values

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

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

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