A237442 - cp's OEIS frontend

A237442 a(n) is the least number of 3-smooth numbers that add up to n.

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

[1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 3, 1, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 1, 2, 2, 2, 2, 3, 1, 2, 2, 2, 2, 2, 2, 3, 2, 2, 1, 2, 2, 2, 2, 3, 2, 3, 1, 2, 2, 2, 2, 3, 2, 3, 2, 1, 2, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A237442 a(n) is the least number of 3-smooth numbers that add up to n.

Table of values

List of values

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

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

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