A061430 - cp's OEIS frontend

A061430 Geometric mean of the digits is an integer: k-digit numbers such that the product of the digits is a number of the form m^k.

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	14
14	19
15	20
16	22
17	28
18	30
19	33
20	40
21	41
22	44
23	49
24	50
25	55
26	60
27	66
28	70
29	77
30	80
31	82
32	88
33	90
34	91
35	94
36	99
37	100
38	101
39	102
40	103
41	104
42	105
43	106
44	107
45	108
46	109
47	110
48	111
49	118
50	120
51	124
52	130
53	139
54	140
55	142
56	150
57	160
58	170
59	180
60	181
61	188
62	190
63	193

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 19, 20, 22, 28, 30, 33, 40, 41, 44, 49, 50, 55, 60, 66, 70, 77, 80, 82, 88, 90, 91, 94, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 118, 120, 124, 130, 139, 140, 142, 150, 160, 170, 180, 181, 188, 190, 193]

cp's OEIS Frontend

A061430 Geometric mean of the digits is an integer: k-digit numbers such that the product of the digits is a number of the form m^k.

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	14
14	19
15	20
16	22
17	28
18	30
19	33
20	40
21	41
22	44
23	49
24	50
25	55
26	60
27	66
28	70
29	77
30	80
31	82
32	88
33	90
34	91
35	94
36	99
37	100
38	101
39	102
40	103
41	104
42	105
43	106
44	107
45	108
46	109
47	110
48	111
49	118
50	120
51	124
52	130
53	139
54	140
55	142
56	150
57	160
58	170
59	180
60	181
61	188
62	190
63	193

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	14
14	19
15	20
16	22
17	28
18	30
19	33
20	40
21	41
22	44
23	49
24	50
25	55
26	60
27	66
28	70
29	77
30	80
31	82
32	88
33	90
34	91
35	94
36	99
37	100
38	101
39	102
40	103
41	104
42	105
43	106
44	107
45	108
46	109
47	110
48	111
49	118
50	120
51	124
52	130
53	139
54	140
55	142
56	150
57	160
58	170
59	180
60	181
61	188
62	190
63	193

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	14
14	19
15	20
16	22
17	28
18	30
19	33
20	40
21	41
22	44
23	49
24	50
25	55
26	60
27	66
28	70
29	77
30	80
31	82
32	88
33	90
34	91
35	94
36	99
37	100
38	101
39	102
40	103
41	104
42	105
43	106
44	107
45	108
46	109
47	110
48	111
49	118
50	120
51	124
52	130
53	139
54	140
55	142
56	150
57	160
58	170
59	180
60	181
61	188
62	190
63	193