A338482 - cp's OEIS frontend

A338482 Least number of centered triangular numbers that 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	1
20	2
21	3
22	4
23	2
24	3
25	4
26	5
27	3
28	4
29	2
30	3
31	1
32	2
33	3
34	4
35	2
36	3
37	4
38	2
39	3
40	4
41	2
42	3
43	4
44	5
45	3
46	1
47	2
48	3
49	4
50	2
51	3
52	4
53	5
54	3
55	4
56	2
57	3
58	4
59	5
60	3
61	4
62	2
63	3
64	1
65	2
66	3
67	4
68	2
69	3
70	4
71	5
72	3
73	4
74	2
75	3
76	4
77	2
78	3
79	4
80	5
81	3
82	4
83	2
84	3
85	1
86	2
87	3
88	4
89	2
90	3
91	4
92	2
93	3
94	4
95	2
96	3
97	4
98	5
99	3
100	4
101	5

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

cp's OEIS Frontend

A338482 Least number of centered triangular numbers that 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	1
20	2
21	3
22	4
23	2
24	3
25	4
26	5
27	3
28	4
29	2
30	3
31	1
32	2
33	3
34	4
35	2
36	3
37	4
38	2
39	3
40	4
41	2
42	3
43	4
44	5
45	3
46	1
47	2
48	3
49	4
50	2
51	3
52	4
53	5
54	3
55	4
56	2
57	3
58	4
59	5
60	3
61	4
62	2
63	3
64	1
65	2
66	3
67	4
68	2
69	3
70	4
71	5
72	3
73	4
74	2
75	3
76	4
77	2
78	3
79	4
80	5
81	3
82	4
83	2
84	3
85	1
86	2
87	3
88	4
89	2
90	3
91	4
92	2
93	3
94	4
95	2
96	3
97	4
98	5
99	3
100	4
101	5

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

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