A089293 - cp's OEIS frontend

A089293 Sum of digits in the mixed-base enumeration system n=...d(4)d(3)d(2)d(1), where the digits satisfy 0<=d(i)<=1 if i is odd, 0<=d(i)<=2 if i is even.

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

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

cp's OEIS Frontend

A089293 Sum of digits in the mixed-base enumeration system n=...d(4)d(3)d(2)d(1), where the digits satisfy 0<=d(i)<=1 if i is odd, 0<=d(i)<=2 if i is even.

Table of values

List of values

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

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

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