A052058 - cp's OEIS frontend

A052058 Numbers k such that the largest palindromic substring (without leading zeros) of 2^k is a repdigit of minimum length 2.

n	a(n)
1	16
2	24
3	25
4	26
5	27
6	38
7	39
8	40
9	42
10	43
11	44
12	45
13	46
14	51
15	95
16	96
17	108
18	169
19	191
20	193
21	198
22	202
23	205
24	247
25	250
26	316
27	317
28	379
29	386
30	421
31	422
32	423
33	425
34	485
35	486
36	488
37	589
38	592
39	642
40	643
41	659
42	731
43	736
44	758
45	759
46	800
47	835
48	839
49	927
50	971
51	972
52	978

[16, 24, 25, 26, 27, 38, 39, 40, 42, 43, 44, 45, 46, 51, 95, 96, 108, 169, 191, 193, 198, 202, 205, 247, 250, 316, 317, 379, 386, 421, 422, 423, 425, 485, 486, 488, 589, 592, 642, 643, 659, 731, 736, 758, 759, 800, 835, 839, 927, 971, 972, 978]

cp's OEIS Frontend

A052058 Numbers k such that the largest palindromic substring (without leading zeros) of 2^k is a repdigit of minimum length 2.

Table of values

List of values

n	a(n)
1	16
2	24
3	25
4	26
5	27
6	38
7	39
8	40
9	42
10	43
11	44
12	45
13	46
14	51
15	95
16	96
17	108
18	169
19	191
20	193
21	198
22	202
23	205
24	247
25	250
26	316
27	317
28	379
29	386
30	421
31	422
32	423
33	425
34	485
35	486
36	488
37	589
38	592
39	642
40	643
41	659
42	731
43	736
44	758
45	759
46	800
47	835
48	839
49	927
50	971
51	972
52	978

n	a(n)
1	16
2	24
3	25
4	26
5	27
6	38
7	39
8	40
9	42
10	43
11	44
12	45
13	46
14	51
15	95
16	96
17	108
18	169
19	191
20	193
21	198
22	202
23	205
24	247
25	250
26	316
27	317
28	379
29	386
30	421
31	422
32	423
33	425
34	485
35	486
36	488
37	589
38	592
39	642
40	643
41	659
42	731
43	736
44	758
45	759
46	800
47	835
48	839
49	927
50	971
51	972
52	978

n	a(n)
1	16
2	24
3	25
4	26
5	27
6	38
7	39
8	40
9	42
10	43
11	44
12	45
13	46
14	51
15	95
16	96
17	108
18	169
19	191
20	193
21	198
22	202
23	205
24	247
25	250
26	316
27	317
28	379
29	386
30	421
31	422
32	423
33	425
34	485
35	486
36	488
37	589
38	592
39	642
40	643
41	659
42	731
43	736
44	758
45	759
46	800
47	835
48	839
49	927
50	971
51	972
52	978