A102442 - cp's OEIS frontend

A102442 Number of iterations needed to transform n by A102440 into a 3-smooth number.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	2
12	0
13	2
14	1
15	1
16	0
17	2
18	0
19	2
20	1
21	1
22	2
23	3
24	0
25	1
26	2
27	0
28	1
29	3
30	1
31	3
32	0
33	2
34	2
35	1
36	0
37	2
38	2
39	2
40	1
41	3
42	1
43	3
44	2
45	1
46	3
47	4
48	0
49	1
50	1
51	2
52	2
53	3
54	0
55	2
56	1
57	2
58	3
59	4
60	1
61	4
62	3
63	1
64	0
65	2
66	2
67	3
68	2
69	3
70	1
71	4
72	0
73	4
74	2
75	1
76	2
77	2
78	2
79	3
80	1
81	0
82	3
83	4
84	1
85	2
86	3
87	3
88	2
89	4
90	1
91	2
92	3
93	3
94	4
95	2
96	0
97	3
98	1
99	2
100	1
101	3
102	2
103	3
104	2
105	1

[0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 2, 0, 2, 1, 1, 0, 2, 0, 2, 1, 1, 2, 3, 0, 1, 2, 0, 1, 3, 1, 3, 0, 2, 2, 1, 0, 2, 2, 2, 1, 3, 1, 3, 2, 1, 3, 4, 0, 1, 1, 2, 2, 3, 0, 2, 1, 2, 3, 4, 1, 4, 3, 1, 0, 2, 2, 3, 2, 3, 1, 4, 0, 4, 2, 1, 2, 2, 2, 3, 1, 0, 3, 4, 1, 2, 3, 3, 2, 4, 1, 2, 3, 3, 4, 2, 0, 3, 1, 2, 1, 3, 2, 3, 2, 1]

cp's OEIS Frontend

A102442 Number of iterations needed to transform n by A102440 into a 3-smooth number.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	2
12	0
13	2
14	1
15	1
16	0
17	2
18	0
19	2
20	1
21	1
22	2
23	3
24	0
25	1
26	2
27	0
28	1
29	3
30	1
31	3
32	0
33	2
34	2
35	1
36	0
37	2
38	2
39	2
40	1
41	3
42	1
43	3
44	2
45	1
46	3
47	4
48	0
49	1
50	1
51	2
52	2
53	3
54	0
55	2
56	1
57	2
58	3
59	4
60	1
61	4
62	3
63	1
64	0
65	2
66	2
67	3
68	2
69	3
70	1
71	4
72	0
73	4
74	2
75	1
76	2
77	2
78	2
79	3
80	1
81	0
82	3
83	4
84	1
85	2
86	3
87	3
88	2
89	4
90	1
91	2
92	3
93	3
94	4
95	2
96	0
97	3
98	1
99	2
100	1
101	3
102	2
103	3
104	2
105	1

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	2
12	0
13	2
14	1
15	1
16	0
17	2
18	0
19	2
20	1
21	1
22	2
23	3
24	0
25	1
26	2
27	0
28	1
29	3
30	1
31	3
32	0
33	2
34	2
35	1
36	0
37	2
38	2
39	2
40	1
41	3
42	1
43	3
44	2
45	1
46	3
47	4
48	0
49	1
50	1
51	2
52	2
53	3
54	0
55	2
56	1
57	2
58	3
59	4
60	1
61	4
62	3
63	1
64	0
65	2
66	2
67	3
68	2
69	3
70	1
71	4
72	0
73	4
74	2
75	1
76	2
77	2
78	2
79	3
80	1
81	0
82	3
83	4
84	1
85	2
86	3
87	3
88	2
89	4
90	1
91	2
92	3
93	3
94	4
95	2
96	0
97	3
98	1
99	2
100	1
101	3
102	2
103	3
104	2
105	1

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	2
12	0
13	2
14	1
15	1
16	0
17	2
18	0
19	2
20	1
21	1
22	2
23	3
24	0
25	1
26	2
27	0
28	1
29	3
30	1
31	3
32	0
33	2
34	2
35	1
36	0
37	2
38	2
39	2
40	1
41	3
42	1
43	3
44	2
45	1
46	3
47	4
48	0
49	1
50	1
51	2
52	2
53	3
54	0
55	2
56	1
57	2
58	3
59	4
60	1
61	4
62	3
63	1
64	0
65	2
66	2
67	3
68	2
69	3
70	1
71	4
72	0
73	4
74	2
75	1
76	2
77	2
78	2
79	3
80	1
81	0
82	3
83	4
84	1
85	2
86	3
87	3
88	2
89	4
90	1
91	2
92	3
93	3
94	4
95	2
96	0
97	3
98	1
99	2
100	1
101	3
102	2
103	3
104	2
105	1