A225039 - cp's OEIS frontend

A225039 a(1)=2, a(2)=3, for n>=3, a(n) is the n-th number which is obtained by application Eratosthenes-like sieve to sequence: odd part of digit sum of 5^m, m>=1.

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	11
7	19
8	23
9	17
10	29
11	59
12	61
13	31
14	67
15	37
16	41
17	79
18	89
19	83
20	53
21	103
22	109
23	137
24	149
25	151
26	127
27	167
28	43
29	211
30	191
31	199
32	97
33	181
34	197
35	193
36	241
37	269
38	113
39	233
40	257
41	139
42	311
43	317
44	293
45	283
46	263
47	349
48	409
49	173
50	47
51	353
52	419
53	431
54	389
55	401
56	439
57	463
58	461

[2, 3, 5, 7, 13, 11, 19, 23, 17, 29, 59, 61, 31, 67, 37, 41, 79, 89, 83, 53, 103, 109, 137, 149, 151, 127, 167, 43, 211, 191, 199, 97, 181, 197, 193, 241, 269, 113, 233, 257, 139, 311, 317, 293, 283, 263, 349, 409, 173, 47, 353, 419, 431, 389, 401, 439, 463, 461]

cp's OEIS Frontend

A225039 a(1)=2, a(2)=3, for n>=3, a(n) is the n-th number which is obtained by application Eratosthenes-like sieve to sequence: odd part of digit sum of 5^m, m>=1.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	11
7	19
8	23
9	17
10	29
11	59
12	61
13	31
14	67
15	37
16	41
17	79
18	89
19	83
20	53
21	103
22	109
23	137
24	149
25	151
26	127
27	167
28	43
29	211
30	191
31	199
32	97
33	181
34	197
35	193
36	241
37	269
38	113
39	233
40	257
41	139
42	311
43	317
44	293
45	283
46	263
47	349
48	409
49	173
50	47
51	353
52	419
53	431
54	389
55	401
56	439
57	463
58	461

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	11
7	19
8	23
9	17
10	29
11	59
12	61
13	31
14	67
15	37
16	41
17	79
18	89
19	83
20	53
21	103
22	109
23	137
24	149
25	151
26	127
27	167
28	43
29	211
30	191
31	199
32	97
33	181
34	197
35	193
36	241
37	269
38	113
39	233
40	257
41	139
42	311
43	317
44	293
45	283
46	263
47	349
48	409
49	173
50	47
51	353
52	419
53	431
54	389
55	401
56	439
57	463
58	461

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	11
7	19
8	23
9	17
10	29
11	59
12	61
13	31
14	67
15	37
16	41
17	79
18	89
19	83
20	53
21	103
22	109
23	137
24	149
25	151
26	127
27	167
28	43
29	211
30	191
31	199
32	97
33	181
34	197
35	193
36	241
37	269
38	113
39	233
40	257
41	139
42	311
43	317
44	293
45	283
46	263
47	349
48	409
49	173
50	47
51	353
52	419
53	431
54	389
55	401
56	439
57	463
58	461