A054390 - cp's OEIS frontend

A054390 Number of ways of writing n as a sum of powers of 3, each power being used at most three times.

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	2
12	3
13	1
14	1
15	2
16	1
17	1
18	3
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	1
27	4
28	3
29	3
30	5
31	2
32	2
33	4
34	2
35	2
36	5
37	3
38	3
39	4
40	1
41	1
42	2
43	1
44	1
45	3
46	2
47	2
48	3
49	1
50	1
51	2
52	1
53	1
54	4
55	3
56	3
57	5
58	2
59	2
60	4
61	2
62	2
63	5
64	3
65	3
66	4
67	1
68	1
69	2
70	1
71	1
72	3
73	2
74	2
75	3
76	1
77	1
78	2
79	1
80	1
81	5
82	4
83	4
84	7
85	3
86	3
87	6
88	3
89	3
90	8
91	5
92	5
93	7
94	2
95	2
96	4
97	2
98	2
99	6
100	4
101	4
102	6
103	2
104	2

[1, 1, 1, 2, 1, 1, 2, 1, 1, 3, 2, 2, 3, 1, 1, 2, 1, 1, 3, 2, 2, 3, 1, 1, 2, 1, 1, 4, 3, 3, 5, 2, 2, 4, 2, 2, 5, 3, 3, 4, 1, 1, 2, 1, 1, 3, 2, 2, 3, 1, 1, 2, 1, 1, 4, 3, 3, 5, 2, 2, 4, 2, 2, 5, 3, 3, 4, 1, 1, 2, 1, 1, 3, 2, 2, 3, 1, 1, 2, 1, 1, 5, 4, 4, 7, 3, 3, 6, 3, 3, 8, 5, 5, 7, 2, 2, 4, 2, 2, 6, 4, 4, 6, 2, 2]

cp's OEIS Frontend

A054390 Number of ways of writing n as a sum of powers of 3, each power being used at most three times.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	2
12	3
13	1
14	1
15	2
16	1
17	1
18	3
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	1
27	4
28	3
29	3
30	5
31	2
32	2
33	4
34	2
35	2
36	5
37	3
38	3
39	4
40	1
41	1
42	2
43	1
44	1
45	3
46	2
47	2
48	3
49	1
50	1
51	2
52	1
53	1
54	4
55	3
56	3
57	5
58	2
59	2
60	4
61	2
62	2
63	5
64	3
65	3
66	4
67	1
68	1
69	2
70	1
71	1
72	3
73	2
74	2
75	3
76	1
77	1
78	2
79	1
80	1
81	5
82	4
83	4
84	7
85	3
86	3
87	6
88	3
89	3
90	8
91	5
92	5
93	7
94	2
95	2
96	4
97	2
98	2
99	6
100	4
101	4
102	6
103	2
104	2

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	2
12	3
13	1
14	1
15	2
16	1
17	1
18	3
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	1
27	4
28	3
29	3
30	5
31	2
32	2
33	4
34	2
35	2
36	5
37	3
38	3
39	4
40	1
41	1
42	2
43	1
44	1
45	3
46	2
47	2
48	3
49	1
50	1
51	2
52	1
53	1
54	4
55	3
56	3
57	5
58	2
59	2
60	4
61	2
62	2
63	5
64	3
65	3
66	4
67	1
68	1
69	2
70	1
71	1
72	3
73	2
74	2
75	3
76	1
77	1
78	2
79	1
80	1
81	5
82	4
83	4
84	7
85	3
86	3
87	6
88	3
89	3
90	8
91	5
92	5
93	7
94	2
95	2
96	4
97	2
98	2
99	6
100	4
101	4
102	6
103	2
104	2

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	2
12	3
13	1
14	1
15	2
16	1
17	1
18	3
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	1
27	4
28	3
29	3
30	5
31	2
32	2
33	4
34	2
35	2
36	5
37	3
38	3
39	4
40	1
41	1
42	2
43	1
44	1
45	3
46	2
47	2
48	3
49	1
50	1
51	2
52	1
53	1
54	4
55	3
56	3
57	5
58	2
59	2
60	4
61	2
62	2
63	5
64	3
65	3
66	4
67	1
68	1
69	2
70	1
71	1
72	3
73	2
74	2
75	3
76	1
77	1
78	2
79	1
80	1
81	5
82	4
83	4
84	7
85	3
86	3
87	6
88	3
89	3
90	8
91	5
92	5
93	7
94	2
95	2
96	4
97	2
98	2
99	6
100	4
101	4
102	6
103	2
104	2