A178400 - cp's OEIS frontend

A178400 Sums of two primes, an array by antidiagonals.

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

[4, 5, 5, 6, 7, 7, 8, 8, 9, 9, 10, 10, 10, 12, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16, 16, 18, 18, 18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 22, 22, 22, 22, 22, 24, 24, 24, 24, 24, 24, 25, 25, 26, 26, 26, 26, 26, 28, 28, 28, 28, 30, 30, 30, 30, 30, 30, 31]

cp's OEIS Frontend

A178400 Sums of two primes, an array by antidiagonals.

Table of values

List of values

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

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

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