A090321 - cp's OEIS frontend

A090321 T(n,k) = prime(n+1) - prime(n-k+1), 1<=k<=n, triangular array read by rows.

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

[1, 2, 3, 2, 4, 5, 4, 6, 8, 9, 2, 6, 8, 10, 11, 4, 6, 10, 12, 14, 15, 2, 6, 8, 12, 14, 16, 17, 4, 6, 10, 12, 16, 18, 20, 21, 6, 10, 12, 16, 18, 22, 24, 26, 27, 2, 8, 12, 14, 18, 20, 24, 26, 28, 29, 6, 8, 14, 18, 20, 24, 26, 30, 32, 34, 35, 4, 10, 12, 18, 22, 24, 28, 30, 34, 36, 38]

cp's OEIS Frontend

A090321 T(n,k) = prime(n+1) - prime(n-k+1), 1<=k<=n, triangular array read by rows.

Table of values

List of values

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

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

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