A305458 - cp's OEIS frontend

A305458 In primorial base: a(n) is obtained by replacing each nonzero digit of n with its product with the nonzero digits at lower indices (See Comments for precise definition).

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	16
11	17
12	12
13	13
14	14
15	15
16	28
17	29
18	18
19	19
20	20
21	21
22	10
23	11
24	24
25	25
26	26
27	27
28	22
29	23
30	30
31	31
32	32
33	33
34	64
35	65
36	36
37	37
38	38
39	39
40	76
41	77
42	72
43	73
44	74
45	75
46	148
47	149
48	108
49	109
50	110
51	111
52	190
53	191
54	144
55	145
56	146
57	147
58	52
59	53
60	60
61	61
62	62
63	63

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 16, 17, 12, 13, 14, 15, 28, 29, 18, 19, 20, 21, 10, 11, 24, 25, 26, 27, 22, 23, 30, 31, 32, 33, 64, 65, 36, 37, 38, 39, 76, 77, 72, 73, 74, 75, 148, 149, 108, 109, 110, 111, 190, 191, 144, 145, 146, 147, 52, 53, 60, 61, 62, 63]

cp's OEIS Frontend

A305458 In primorial base: a(n) is obtained by replacing each nonzero digit of n with its product with the nonzero digits at lower indices (See Comments for precise definition).

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	16
11	17
12	12
13	13
14	14
15	15
16	28
17	29
18	18
19	19
20	20
21	21
22	10
23	11
24	24
25	25
26	26
27	27
28	22
29	23
30	30
31	31
32	32
33	33
34	64
35	65
36	36
37	37
38	38
39	39
40	76
41	77
42	72
43	73
44	74
45	75
46	148
47	149
48	108
49	109
50	110
51	111
52	190
53	191
54	144
55	145
56	146
57	147
58	52
59	53
60	60
61	61
62	62
63	63

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	16
11	17
12	12
13	13
14	14
15	15
16	28
17	29
18	18
19	19
20	20
21	21
22	10
23	11
24	24
25	25
26	26
27	27
28	22
29	23
30	30
31	31
32	32
33	33
34	64
35	65
36	36
37	37
38	38
39	39
40	76
41	77
42	72
43	73
44	74
45	75
46	148
47	149
48	108
49	109
50	110
51	111
52	190
53	191
54	144
55	145
56	146
57	147
58	52
59	53
60	60
61	61
62	62
63	63

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	16
11	17
12	12
13	13
14	14
15	15
16	28
17	29
18	18
19	19
20	20
21	21
22	10
23	11
24	24
25	25
26	26
27	27
28	22
29	23
30	30
31	31
32	32
33	33
34	64
35	65
36	36
37	37
38	38
39	39
40	76
41	77
42	72
43	73
44	74
45	75
46	148
47	149
48	108
49	109
50	110
51	111
52	190
53	191
54	144
55	145
56	146
57	147
58	52
59	53
60	60
61	61
62	62
63	63