A333598 - cp's OEIS frontend

A333598 Numbers m such that m! has a palindromic number of decimal digits.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	14
15	22
16	30
17	37
18	44
19	57
20	63
21	69
22	70
23	81
24	86
25	91
26	106
27	111
28	116
29	126
30	131
31	140
32	145
33	154
34	163
35	168
36	177
37	186
38	199
39	221
40	225
41	238
42	242
43	255
44	259
45	288
46	292
47	368
48	372
49	384
50	388
51	407
52	411
53	419
54	423
55	438
56	450
57	532

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 22, 30, 37, 44, 57, 63, 69, 70, 81, 86, 91, 106, 111, 116, 126, 131, 140, 145, 154, 163, 168, 177, 186, 199, 221, 225, 238, 242, 255, 259, 288, 292, 368, 372, 384, 388, 407, 411, 419, 423, 438, 450, 532]

cp's OEIS Frontend

A333598 Numbers m such that m! has a palindromic number of decimal digits.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	14
15	22
16	30
17	37
18	44
19	57
20	63
21	69
22	70
23	81
24	86
25	91
26	106
27	111
28	116
29	126
30	131
31	140
32	145
33	154
34	163
35	168
36	177
37	186
38	199
39	221
40	225
41	238
42	242
43	255
44	259
45	288
46	292
47	368
48	372
49	384
50	388
51	407
52	411
53	419
54	423
55	438
56	450
57	532

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	14
15	22
16	30
17	37
18	44
19	57
20	63
21	69
22	70
23	81
24	86
25	91
26	106
27	111
28	116
29	126
30	131
31	140
32	145
33	154
34	163
35	168
36	177
37	186
38	199
39	221
40	225
41	238
42	242
43	255
44	259
45	288
46	292
47	368
48	372
49	384
50	388
51	407
52	411
53	419
54	423
55	438
56	450
57	532

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	14
15	22
16	30
17	37
18	44
19	57
20	63
21	69
22	70
23	81
24	86
25	91
26	106
27	111
28	116
29	126
30	131
31	140
32	145
33	154
34	163
35	168
36	177
37	186
38	199
39	221
40	225
41	238
42	242
43	255
44	259
45	288
46	292
47	368
48	372
49	384
50	388
51	407
52	411
53	419
54	423
55	438
56	450
57	532