A104246 - cp's OEIS frontend

A104246 Minimal number of tetrahedral numbers (A000292(k) = k(k+1)(k+2)/6) needed to sum to n.

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

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

cp's OEIS Frontend

A104246 Minimal number of tetrahedral numbers (A000292(k) = k(k+1)(k+2)/6) needed to sum 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	2
9	3
10	1
11	2
12	3
13	4
14	2
15	3
16	4
17	5
18	3
19	4
20	1
21	2
22	3
23	4
24	2
25	3
26	4
27	5
28	3
29	4
30	2
31	3
32	4
33	5
34	3
35	1
36	2
37	3
38	4
39	2
40	2
41	3
42	4
43	3
44	3
45	2
46	3
47	4
48	4
49	3
50	3
51	4
52	5
53	4
54	4
55	2
56	1
57	2
58	3
59	3
60	2
61	3
62	4
63	4
64	3
65	3
66	2
67	3
68	4
69	4
70	2
71	3
72	4
73	5
74	3
75	3
76	2
77	3
78	4
79	4
80	3
81	4
82	5
83	5
84	1
85	2
86	3
87	4
88	2
89	3
90	3
91	2
92	3
93	4
94	2
95	3
96	3
97	4
98	3
99	4
100	4
101	3
102	4

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

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