A014420 - cp's OEIS frontend

A014420 Minimal number of Catalan numbers that sum to n.

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	1
6	2
7	2
8	3
9	3
10	2
11	3
12	3
13	4
14	1
15	2
16	2
17	3
18	3
19	2
20	3
21	3
22	4
23	4
24	3
25	4
26	4
27	5
28	2
29	3
30	3
31	4
32	4
33	3
34	4
35	4
36	5
37	5
38	4
39	5
40	5
41	6
42	1
43	2
44	2
45	3
46	3
47	2
48	3
49	3
50	4
51	4
52	3
53	4
54	4
55	5
56	2
57	3
58	3
59	4
60	4
61	3
62	4
63	4
64	5
65	5
66	4
67	5
68	5
69	6
70	3
71	4
72	4
73	5
74	5
75	4
76	5
77	5
78	6
79	6
80	5
81	6
82	6
83	7
84	2
85	3
86	3
87	4
88	4
89	3
90	4
91	4
92	5
93	5
94	4
95	5
96	5
97	6
98	3

[0, 1, 1, 2, 2, 1, 2, 2, 3, 3, 2, 3, 3, 4, 1, 2, 2, 3, 3, 2, 3, 3, 4, 4, 3, 4, 4, 5, 2, 3, 3, 4, 4, 3, 4, 4, 5, 5, 4, 5, 5, 6, 1, 2, 2, 3, 3, 2, 3, 3, 4, 4, 3, 4, 4, 5, 2, 3, 3, 4, 4, 3, 4, 4, 5, 5, 4, 5, 5, 6, 3, 4, 4, 5, 5, 4, 5, 5, 6, 6, 5, 6, 6, 7, 2, 3, 3, 4, 4, 3, 4, 4, 5, 5, 4, 5, 5, 6, 3]

cp's OEIS Frontend

A014420 Minimal number of Catalan numbers that sum to n.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	1
6	2
7	2
8	3
9	3
10	2
11	3
12	3
13	4
14	1
15	2
16	2
17	3
18	3
19	2
20	3
21	3
22	4
23	4
24	3
25	4
26	4
27	5
28	2
29	3
30	3
31	4
32	4
33	3
34	4
35	4
36	5
37	5
38	4
39	5
40	5
41	6
42	1
43	2
44	2
45	3
46	3
47	2
48	3
49	3
50	4
51	4
52	3
53	4
54	4
55	5
56	2
57	3
58	3
59	4
60	4
61	3
62	4
63	4
64	5
65	5
66	4
67	5
68	5
69	6
70	3
71	4
72	4
73	5
74	5
75	4
76	5
77	5
78	6
79	6
80	5
81	6
82	6
83	7
84	2
85	3
86	3
87	4
88	4
89	3
90	4
91	4
92	5
93	5
94	4
95	5
96	5
97	6
98	3

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	1
6	2
7	2
8	3
9	3
10	2
11	3
12	3
13	4
14	1
15	2
16	2
17	3
18	3
19	2
20	3
21	3
22	4
23	4
24	3
25	4
26	4
27	5
28	2
29	3
30	3
31	4
32	4
33	3
34	4
35	4
36	5
37	5
38	4
39	5
40	5
41	6
42	1
43	2
44	2
45	3
46	3
47	2
48	3
49	3
50	4
51	4
52	3
53	4
54	4
55	5
56	2
57	3
58	3
59	4
60	4
61	3
62	4
63	4
64	5
65	5
66	4
67	5
68	5
69	6
70	3
71	4
72	4
73	5
74	5
75	4
76	5
77	5
78	6
79	6
80	5
81	6
82	6
83	7
84	2
85	3
86	3
87	4
88	4
89	3
90	4
91	4
92	5
93	5
94	4
95	5
96	5
97	6
98	3

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	1
6	2
7	2
8	3
9	3
10	2
11	3
12	3
13	4
14	1
15	2
16	2
17	3
18	3
19	2
20	3
21	3
22	4
23	4
24	3
25	4
26	4
27	5
28	2
29	3
30	3
31	4
32	4
33	3
34	4
35	4
36	5
37	5
38	4
39	5
40	5
41	6
42	1
43	2
44	2
45	3
46	3
47	2
48	3
49	3
50	4
51	4
52	3
53	4
54	4
55	5
56	2
57	3
58	3
59	4
60	4
61	3
62	4
63	4
64	5
65	5
66	4
67	5
68	5
69	6
70	3
71	4
72	4
73	5
74	5
75	4
76	5
77	5
78	6
79	6
80	5
81	6
82	6
83	7
84	2
85	3
86	3
87	4
88	4
89	3
90	4
91	4
92	5
93	5
94	4
95	5
96	5
97	6
98	3