A037857 - cp's OEIS frontend

A037857 Sum{d(i)-d(i-1): d(i)>d(i-1), i=1,...,m}, where Sum{d(i)*7^i: i=0,1,...,m} is base 7 representation of n.

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

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

cp's OEIS Frontend

A037857 Sum{d(i)-d(i-1): d(i)>d(i-1), i=1,...,m}, where Sum{d(i)*7^i: i=0,1,...,m} is base 7 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	1
8	0
9	0
10	0
11	0
12	0
13	0
14	2
15	1
16	0
17	0
18	0
19	0
20	0
21	3
22	2
23	1
24	0
25	0
26	0
27	0
28	4
29	3
30	2
31	1
32	0
33	0
34	0
35	5
36	4
37	3
38	2
39	1
40	0
41	0
42	6
43	5
44	4
45	3
46	2
47	1
48	0
49	1
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	2
64	1
65	0
66	0
67	0
68	0
69	0
70	3
71	2
72	1
73	0
74	0
75	0
76	0
77	4
78	3
79	2
80	1
81	0
82	0
83	0
84	5
85	4
86	3
87	2
88	1
89	0
90	0

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

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