A374054 - cp's OEIS frontend

A374054 a(n) = max_{i=0..n} S_3(i) + S_3(n-i) where S_3(x) = A053735(x) is the base-3 digit sum of x.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	3
6	4
7	5
8	4
9	5
10	6
11	5
12	6
13	7
14	6
15	7
16	8
17	5
18	6
19	7
20	6
21	7
22	8
23	7
24	8
25	9
26	6
27	7
28	8
29	7
30	8
31	9
32	8
33	9
34	10
35	7
36	8
37	9
38	8
39	9
40	10
41	9
42	10
43	11
44	8
45	9
46	10
47	9
48	10
49	11
50	10
51	11
52	12
53	7
54	8
55	9
56	8
57	9
58	10
59	9
60	10
61	11
62	8
63	9
64	10
65	9
66	10
67	11
68	10
69	11
70	12
71	9
72	10
73	11
74	10
75	11
76	12
77	11

[0, 1, 2, 3, 4, 3, 4, 5, 4, 5, 6, 5, 6, 7, 6, 7, 8, 5, 6, 7, 6, 7, 8, 7, 8, 9, 6, 7, 8, 7, 8, 9, 8, 9, 10, 7, 8, 9, 8, 9, 10, 9, 10, 11, 8, 9, 10, 9, 10, 11, 10, 11, 12, 7, 8, 9, 8, 9, 10, 9, 10, 11, 8, 9, 10, 9, 10, 11, 10, 11, 12, 9, 10, 11, 10, 11, 12, 11]

cp's OEIS Frontend

A374054 a(n) = max_{i=0..n} S_3(i) + S_3(n-i) where S_3(x) = A053735(x) is the base-3 digit sum of x.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	3
6	4
7	5
8	4
9	5
10	6
11	5
12	6
13	7
14	6
15	7
16	8
17	5
18	6
19	7
20	6
21	7
22	8
23	7
24	8
25	9
26	6
27	7
28	8
29	7
30	8
31	9
32	8
33	9
34	10
35	7
36	8
37	9
38	8
39	9
40	10
41	9
42	10
43	11
44	8
45	9
46	10
47	9
48	10
49	11
50	10
51	11
52	12
53	7
54	8
55	9
56	8
57	9
58	10
59	9
60	10
61	11
62	8
63	9
64	10
65	9
66	10
67	11
68	10
69	11
70	12
71	9
72	10
73	11
74	10
75	11
76	12
77	11

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	3
6	4
7	5
8	4
9	5
10	6
11	5
12	6
13	7
14	6
15	7
16	8
17	5
18	6
19	7
20	6
21	7
22	8
23	7
24	8
25	9
26	6
27	7
28	8
29	7
30	8
31	9
32	8
33	9
34	10
35	7
36	8
37	9
38	8
39	9
40	10
41	9
42	10
43	11
44	8
45	9
46	10
47	9
48	10
49	11
50	10
51	11
52	12
53	7
54	8
55	9
56	8
57	9
58	10
59	9
60	10
61	11
62	8
63	9
64	10
65	9
66	10
67	11
68	10
69	11
70	12
71	9
72	10
73	11
74	10
75	11
76	12
77	11

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	3
6	4
7	5
8	4
9	5
10	6
11	5
12	6
13	7
14	6
15	7
16	8
17	5
18	6
19	7
20	6
21	7
22	8
23	7
24	8
25	9
26	6
27	7
28	8
29	7
30	8
31	9
32	8
33	9
34	10
35	7
36	8
37	9
38	8
39	9
40	10
41	9
42	10
43	11
44	8
45	9
46	10
47	9
48	10
49	11
50	10
51	11
52	12
53	7
54	8
55	9
56	8
57	9
58	10
59	9
60	10
61	11
62	8
63	9
64	10
65	9
66	10
67	11
68	10
69	11
70	12
71	9
72	10
73	11
74	10
75	11
76	12
77	11