A144310 - cp's OEIS frontend

A144310 Triangle read by rows: prime numbers p(n) along left edge (n, 1) and p(n - 1) along right edge (n, n), with (n, k) = rad((n - 1, k - 1) + (n - 1, k)), multiplied by two if four divides (n - 1, k - 1) + (n - 1, k), for 1 < k < n when n > 2.

n	a(n)
1	2
2	3
3	2
4	5
5	5
6	3
7	7
8	10
9	4
10	5
11	11
12	17
13	14
14	3
15	7
16	13
17	28
18	31
19	17
20	10
21	11
22	17
23	41
24	59
25	12
26	3
27	21
28	13
29	19
30	58
31	20
32	71
33	15
34	12
35	34
36	17
37	23
38	77
39	78
40	91
41	86
42	3
43	46
44	51
45	19
46	29
47	20
48	155
49	13
50	177
51	89
52	7
53	97
54	70
55	23
56	31
57	7
58	35
59	84
60	190
61	266
62	12
63	52
64	167
65	93
66	29

[2, 3, 2, 5, 5, 3, 7, 10, 4, 5, 11, 17, 14, 3, 7, 13, 28, 31, 17, 10, 11, 17, 41, 59, 12, 3, 21, 13, 19, 58, 20, 71, 15, 12, 34, 17, 23, 77, 78, 91, 86, 3, 46, 51, 19, 29, 20, 155, 13, 177, 89, 7, 97, 70, 23, 31, 7, 35, 84, 190, 266, 12, 52, 167, 93, 29]

cp's OEIS Frontend

A144310 Triangle read by rows: prime numbers p(n) along left edge (n, 1) and p(n - 1) along right edge (n, n), with (n, k) = rad((n - 1, k - 1) + (n - 1, k)), multiplied by two if four divides (n - 1, k - 1) + (n - 1, k), for 1 < k < n when n > 2.

Table of values

List of values

n	a(n)
1	2
2	3
3	2
4	5
5	5
6	3
7	7
8	10
9	4
10	5
11	11
12	17
13	14
14	3
15	7
16	13
17	28
18	31
19	17
20	10
21	11
22	17
23	41
24	59
25	12
26	3
27	21
28	13
29	19
30	58
31	20
32	71
33	15
34	12
35	34
36	17
37	23
38	77
39	78
40	91
41	86
42	3
43	46
44	51
45	19
46	29
47	20
48	155
49	13
50	177
51	89
52	7
53	97
54	70
55	23
56	31
57	7
58	35
59	84
60	190
61	266
62	12
63	52
64	167
65	93
66	29

n	a(n)
1	2
2	3
3	2
4	5
5	5
6	3
7	7
8	10
9	4
10	5
11	11
12	17
13	14
14	3
15	7
16	13
17	28
18	31
19	17
20	10
21	11
22	17
23	41
24	59
25	12
26	3
27	21
28	13
29	19
30	58
31	20
32	71
33	15
34	12
35	34
36	17
37	23
38	77
39	78
40	91
41	86
42	3
43	46
44	51
45	19
46	29
47	20
48	155
49	13
50	177
51	89
52	7
53	97
54	70
55	23
56	31
57	7
58	35
59	84
60	190
61	266
62	12
63	52
64	167
65	93
66	29

n	a(n)
1	2
2	3
3	2
4	5
5	5
6	3
7	7
8	10
9	4
10	5
11	11
12	17
13	14
14	3
15	7
16	13
17	28
18	31
19	17
20	10
21	11
22	17
23	41
24	59
25	12
26	3
27	21
28	13
29	19
30	58
31	20
32	71
33	15
34	12
35	34
36	17
37	23
38	77
39	78
40	91
41	86
42	3
43	46
44	51
45	19
46	29
47	20
48	155
49	13
50	177
51	89
52	7
53	97
54	70
55	23
56	31
57	7
58	35
59	84
60	190
61	266
62	12
63	52
64	167
65	93
66	29