A144261 - cp's OEIS frontend

A144261 a(n) = smallest k such that k*n is a Niven (or Harshad) number.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	10
12	1
13	9
14	3
15	2
16	3
17	6
18	1
19	6
20	1
21	1
22	5
23	9
24	1
25	2
26	6
27	1
28	3
29	9
30	1
31	12
32	6
33	4
34	3
35	2
36	1
37	3
38	3
39	3
40	1
41	10
42	1
43	12
44	3
45	1
46	5
47	9
48	1
49	8
50	1
51	2
52	3
53	18
54	1
55	2
56	2
57	2
58	9
59	9
60	1
61	12
62	6
63	1
64	3
65	3
66	2
67	3
68	3
69	3
70	1
71	18
72	1
73	7
74	3
75	2
76	2
77	4
78	2
79	9
80	1
81	1
82	5
83	18
84	1
85	6
86	6
87	3
88	3
89	9
90	1
91	4
92	5
93	4
94	9
95	2
96	2
97	12
98	4
99	2
100	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 1, 9, 3, 2, 3, 6, 1, 6, 1, 1, 5, 9, 1, 2, 6, 1, 3, 9, 1, 12, 6, 4, 3, 2, 1, 3, 3, 3, 1, 10, 1, 12, 3, 1, 5, 9, 1, 8, 1, 2, 3, 18, 1, 2, 2, 2, 9, 9, 1, 12, 6, 1, 3, 3, 2, 3, 3, 3, 1, 18, 1, 7, 3, 2, 2, 4, 2, 9, 1, 1, 5, 18, 1, 6, 6, 3, 3, 9, 1, 4, 5, 4, 9, 2, 2, 12, 4, 2, 1]

cp's OEIS Frontend

A144261 a(n) = smallest k such that k*n is a Niven (or Harshad) number.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	10
12	1
13	9
14	3
15	2
16	3
17	6
18	1
19	6
20	1
21	1
22	5
23	9
24	1
25	2
26	6
27	1
28	3
29	9
30	1
31	12
32	6
33	4
34	3
35	2
36	1
37	3
38	3
39	3
40	1
41	10
42	1
43	12
44	3
45	1
46	5
47	9
48	1
49	8
50	1
51	2
52	3
53	18
54	1
55	2
56	2
57	2
58	9
59	9
60	1
61	12
62	6
63	1
64	3
65	3
66	2
67	3
68	3
69	3
70	1
71	18
72	1
73	7
74	3
75	2
76	2
77	4
78	2
79	9
80	1
81	1
82	5
83	18
84	1
85	6
86	6
87	3
88	3
89	9
90	1
91	4
92	5
93	4
94	9
95	2
96	2
97	12
98	4
99	2
100	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	10
12	1
13	9
14	3
15	2
16	3
17	6
18	1
19	6
20	1
21	1
22	5
23	9
24	1
25	2
26	6
27	1
28	3
29	9
30	1
31	12
32	6
33	4
34	3
35	2
36	1
37	3
38	3
39	3
40	1
41	10
42	1
43	12
44	3
45	1
46	5
47	9
48	1
49	8
50	1
51	2
52	3
53	18
54	1
55	2
56	2
57	2
58	9
59	9
60	1
61	12
62	6
63	1
64	3
65	3
66	2
67	3
68	3
69	3
70	1
71	18
72	1
73	7
74	3
75	2
76	2
77	4
78	2
79	9
80	1
81	1
82	5
83	18
84	1
85	6
86	6
87	3
88	3
89	9
90	1
91	4
92	5
93	4
94	9
95	2
96	2
97	12
98	4
99	2
100	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	10
12	1
13	9
14	3
15	2
16	3
17	6
18	1
19	6
20	1
21	1
22	5
23	9
24	1
25	2
26	6
27	1
28	3
29	9
30	1
31	12
32	6
33	4
34	3
35	2
36	1
37	3
38	3
39	3
40	1
41	10
42	1
43	12
44	3
45	1
46	5
47	9
48	1
49	8
50	1
51	2
52	3
53	18
54	1
55	2
56	2
57	2
58	9
59	9
60	1
61	12
62	6
63	1
64	3
65	3
66	2
67	3
68	3
69	3
70	1
71	18
72	1
73	7
74	3
75	2
76	2
77	4
78	2
79	9
80	1
81	1
82	5
83	18
84	1
85	6
86	6
87	3
88	3
89	9
90	1
91	4
92	5
93	4
94	9
95	2
96	2
97	12
98	4
99	2
100	1