A274459 - cp's OEIS frontend

A274459 Least number of perfect powers that add up to n.

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

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

cp's OEIS Frontend

A274459 Least number of perfect powers that add up to n.

Table of values

List of values

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

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

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