A337598 - cp's OEIS frontend

A337598 a(n) is the greatest number m not yet in the sequence such that the factorial base expansions of n and of m have the same digits (up to order but with multiplicity).

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	14
11	15
12	12
13	13
14	10
15	11
16	16
17	17
18	18
19	20
20	19
21	21
22	22
23	23
24	24
25	30
26	26
27	32
28	54
29	56
30	25
31	31
32	27
33	33
34	55
35	57
36	50
37	51
38	38
39	39
40	62
41	63
42	78
43	80
44	79
45	81
46	86
47	87
48	48
49	49
50	36
51	37
52	60
53	61
54	28
55	34
56	29
57	35
58	58
59	59
60	52
61	53
62	40
63	41
64	64
65	65
66	84
67	85

[0, 1, 2, 3, 4, 5, 6, 8, 7, 9, 14, 15, 12, 13, 10, 11, 16, 17, 18, 20, 19, 21, 22, 23, 24, 30, 26, 32, 54, 56, 25, 31, 27, 33, 55, 57, 50, 51, 38, 39, 62, 63, 78, 80, 79, 81, 86, 87, 48, 49, 36, 37, 60, 61, 28, 34, 29, 35, 58, 59, 52, 53, 40, 41, 64, 65, 84, 85]

cp's OEIS Frontend

A337598 a(n) is the greatest number m not yet in the sequence such that the factorial base expansions of n and of m have the same digits (up to order but with multiplicity).

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	14
11	15
12	12
13	13
14	10
15	11
16	16
17	17
18	18
19	20
20	19
21	21
22	22
23	23
24	24
25	30
26	26
27	32
28	54
29	56
30	25
31	31
32	27
33	33
34	55
35	57
36	50
37	51
38	38
39	39
40	62
41	63
42	78
43	80
44	79
45	81
46	86
47	87
48	48
49	49
50	36
51	37
52	60
53	61
54	28
55	34
56	29
57	35
58	58
59	59
60	52
61	53
62	40
63	41
64	64
65	65
66	84
67	85

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	14
11	15
12	12
13	13
14	10
15	11
16	16
17	17
18	18
19	20
20	19
21	21
22	22
23	23
24	24
25	30
26	26
27	32
28	54
29	56
30	25
31	31
32	27
33	33
34	55
35	57
36	50
37	51
38	38
39	39
40	62
41	63
42	78
43	80
44	79
45	81
46	86
47	87
48	48
49	49
50	36
51	37
52	60
53	61
54	28
55	34
56	29
57	35
58	58
59	59
60	52
61	53
62	40
63	41
64	64
65	65
66	84
67	85

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	14
11	15
12	12
13	13
14	10
15	11
16	16
17	17
18	18
19	20
20	19
21	21
22	22
23	23
24	24
25	30
26	26
27	32
28	54
29	56
30	25
31	31
32	27
33	33
34	55
35	57
36	50
37	51
38	38
39	39
40	62
41	63
42	78
43	80
44	79
45	81
46	86
47	87
48	48
49	49
50	36
51	37
52	60
53	61
54	28
55	34
56	29
57	35
58	58
59	59
60	52
61	53
62	40
63	41
64	64
65	65
66	84
67	85