A037854 - cp's OEIS frontend

A037854 Sum_{i=1..m, d(i)>d(i-1)} d(i)-d(i-1), where Sum_{i=0..m} d(i)*4^i is the base 4 representation of n.

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

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

cp's OEIS Frontend

A037854 Sum_{i=1..m, d(i)>d(i-1)} d(i)-d(i-1), where Sum_{i=0..m} d(i)*4^i is the base 4 representation of n.

Table of values

List of values

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

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

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