A371123 - cp's OEIS frontend

A371123 Numbers whose decimal representation contains the digital root of the product of their 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	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	21
23	29
24	30
25	31
26	34
27	37
28	39
29	40
30	41
31	43
32	46
33	49
34	50
35	51
36	59
37	60
38	61
39	64
40	67
41	69
42	70
43	71
44	73
45	76
46	79
47	80
48	81
49	89
50	90
51	91
52	92
53	93
54	94
55	95
56	96
57	97
58	98
59	99
60	100
61	101
62	102
63	103
64	104
65	105
66	106
67	107
68	108
69	109
70	110
71	111
72	112

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 29, 30, 31, 34, 37, 39, 40, 41, 43, 46, 49, 50, 51, 59, 60, 61, 64, 67, 69, 70, 71, 73, 76, 79, 80, 81, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112]

cp's OEIS Frontend

A371123 Numbers whose decimal representation contains the digital root of the product of their 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	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	21
23	29
24	30
25	31
26	34
27	37
28	39
29	40
30	41
31	43
32	46
33	49
34	50
35	51
36	59
37	60
38	61
39	64
40	67
41	69
42	70
43	71
44	73
45	76
46	79
47	80
48	81
49	89
50	90
51	91
52	92
53	93
54	94
55	95
56	96
57	97
58	98
59	99
60	100
61	101
62	102
63	103
64	104
65	105
66	106
67	107
68	108
69	109
70	110
71	111
72	112

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	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	21
23	29
24	30
25	31
26	34
27	37
28	39
29	40
30	41
31	43
32	46
33	49
34	50
35	51
36	59
37	60
38	61
39	64
40	67
41	69
42	70
43	71
44	73
45	76
46	79
47	80
48	81
49	89
50	90
51	91
52	92
53	93
54	94
55	95
56	96
57	97
58	98
59	99
60	100
61	101
62	102
63	103
64	104
65	105
66	106
67	107
68	108
69	109
70	110
71	111
72	112

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	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	21
23	29
24	30
25	31
26	34
27	37
28	39
29	40
30	41
31	43
32	46
33	49
34	50
35	51
36	59
37	60
38	61
39	64
40	67
41	69
42	70
43	71
44	73
45	76
46	79
47	80
48	81
49	89
50	90
51	91
52	92
53	93
54	94
55	95
56	96
57	97
58	98
59	99
60	100
61	101
62	102
63	103
64	104
65	105
66	106
67	107
68	108
69	109
70	110
71	111
72	112