A338480 - cp's OEIS frontend

A338480 Least number of heptagonal numbers needed to represent n.

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

[1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 1, 2, 3, 3, 4, 5, 6, 2, 3, 4, 4, 5, 6, 7, 3, 4, 1, 2, 2, 3, 4, 4, 5, 2, 3, 3, 4, 5, 5, 6, 3, 4, 4, 5, 2, 3, 3, 1, 2, 3, 4, 3, 4, 4, 2, 3, 4, 5, 4, 5, 2, 3, 3, 4, 4, 2, 3, 3, 4, 4, 5, 5, 3, 1, 2, 3, 4, 5, 3, 4, 2, 2, 3, 3, 4, 4, 5, 3, 3, 4, 4, 2, 3, 4]

cp's OEIS Frontend

A338480 Least number of heptagonal numbers needed to represent n.

Table of values

List of values

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

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

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