A204938 - cp's OEIS frontend

A204938 Irregular table T(n,k) of primes such that all terms in row n have a prime companion that sums to 10^n.

n	a(n)
1	3
2	5
3	7
4	3
5	11
6	17
7	29
8	41
9	47
10	53
11	59
12	71
13	83
14	89
15	97
16	3
17	17
18	23
19	29
20	47
21	53
22	59
23	71
24	89
25	113
26	137
27	173
28	179
29	191
30	227
31	239
32	257
33	281
34	317
35	347
36	353
37	359
38	383
39	401
40	431
41	443
42	479
43	491
44	509
45	521
46	557
47	569
48	599
49	617
50	641
51	647
52	653
53	683
54	719
55	743
56	761
57	773

[3, 5, 7, 3, 11, 17, 29, 41, 47, 53, 59, 71, 83, 89, 97, 3, 17, 23, 29, 47, 53, 59, 71, 89, 113, 137, 173, 179, 191, 227, 239, 257, 281, 317, 347, 353, 359, 383, 401, 431, 443, 479, 491, 509, 521, 557, 569, 599, 617, 641, 647, 653, 683, 719, 743, 761, 773]

cp's OEIS Frontend

A204938 Irregular table T(n,k) of primes such that all terms in row n have a prime companion that sums to 10^n.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	3
5	11
6	17
7	29
8	41
9	47
10	53
11	59
12	71
13	83
14	89
15	97
16	3
17	17
18	23
19	29
20	47
21	53
22	59
23	71
24	89
25	113
26	137
27	173
28	179
29	191
30	227
31	239
32	257
33	281
34	317
35	347
36	353
37	359
38	383
39	401
40	431
41	443
42	479
43	491
44	509
45	521
46	557
47	569
48	599
49	617
50	641
51	647
52	653
53	683
54	719
55	743
56	761
57	773

n	a(n)
1	3
2	5
3	7
4	3
5	11
6	17
7	29
8	41
9	47
10	53
11	59
12	71
13	83
14	89
15	97
16	3
17	17
18	23
19	29
20	47
21	53
22	59
23	71
24	89
25	113
26	137
27	173
28	179
29	191
30	227
31	239
32	257
33	281
34	317
35	347
36	353
37	359
38	383
39	401
40	431
41	443
42	479
43	491
44	509
45	521
46	557
47	569
48	599
49	617
50	641
51	647
52	653
53	683
54	719
55	743
56	761
57	773

n	a(n)
1	3
2	5
3	7
4	3
5	11
6	17
7	29
8	41
9	47
10	53
11	59
12	71
13	83
14	89
15	97
16	3
17	17
18	23
19	29
20	47
21	53
22	59
23	71
24	89
25	113
26	137
27	173
28	179
29	191
30	227
31	239
32	257
33	281
34	317
35	347
36	353
37	359
38	383
39	401
40	431
41	443
42	479
43	491
44	509
45	521
46	557
47	569
48	599
49	617
50	641
51	647
52	653
53	683
54	719
55	743
56	761
57	773