A037837 - cp's OEIS frontend

A037837 a(n) = Sum{|d(i)-d(i-1)|: i=1,...,m}, where Sum{d(i)*5^i: i=0,1,...,m} is the base 5 representation of n.

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

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

cp's OEIS Frontend

A037837 a(n) = Sum{|d(i)-d(i-1)|: i=1,...,m}, where Sum{d(i)*5^i: i=0,1,...,m} is the base 5 representation of n.

Table of values

List of values

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

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

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