A037849 - cp's OEIS frontend

A037849 a(n) = Sum_{d(i) < d(i-1), i=1..m} (d(i-1) - d(i)), where Sum{d(i)*8^i: i=0,1,...,m} is the base-8 representation of n.

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

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

cp's OEIS Frontend

A037849 a(n) = Sum_{d(i) < d(i-1), i=1..m} (d(i-1) - d(i)), where Sum{d(i)*8^i: i=0,1,...,m} is the base-8 representation of n.

Table of values

List of values

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

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

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