A065882 - cp's OEIS frontend

A065882 Ultimate modulo 4: right-hand nonzero digit of n when written in base 4.

n	a(n)
1	1
2	2
3	3
4	1
5	1
6	2
7	3
8	2
9	1
10	2
11	3
12	3
13	1
14	2
15	3
16	1
17	1
18	2
19	3
20	1
21	1
22	2
23	3
24	2
25	1
26	2
27	3
28	3
29	1
30	2
31	3
32	2
33	1
34	2
35	3
36	1
37	1
38	2
39	3
40	2
41	1
42	2
43	3
44	3
45	1
46	2
47	3
48	3
49	1
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	3
61	1
62	2
63	3
64	1
65	1
66	2
67	3
68	1
69	1
70	2
71	3
72	2
73	1
74	2
75	3
76	3
77	1
78	2
79	3
80	1
81	1
82	2
83	3
84	1
85	1
86	2
87	3
88	2
89	1
90	2
91	3
92	3
93	1
94	2
95	3
96	2
97	1
98	2
99	3
100	1
101	1
102	2
103	3
104	2
105	1

[1, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 2, 1, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 3, 1, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 2, 1, 2, 3, 1, 1, 2, 3, 2, 1]

cp's OEIS Frontend

A065882 Ultimate modulo 4: right-hand nonzero digit of n when written in base 4.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	1
5	1
6	2
7	3
8	2
9	1
10	2
11	3
12	3
13	1
14	2
15	3
16	1
17	1
18	2
19	3
20	1
21	1
22	2
23	3
24	2
25	1
26	2
27	3
28	3
29	1
30	2
31	3
32	2
33	1
34	2
35	3
36	1
37	1
38	2
39	3
40	2
41	1
42	2
43	3
44	3
45	1
46	2
47	3
48	3
49	1
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	3
61	1
62	2
63	3
64	1
65	1
66	2
67	3
68	1
69	1
70	2
71	3
72	2
73	1
74	2
75	3
76	3
77	1
78	2
79	3
80	1
81	1
82	2
83	3
84	1
85	1
86	2
87	3
88	2
89	1
90	2
91	3
92	3
93	1
94	2
95	3
96	2
97	1
98	2
99	3
100	1
101	1
102	2
103	3
104	2
105	1

n	a(n)
1	1
2	2
3	3
4	1
5	1
6	2
7	3
8	2
9	1
10	2
11	3
12	3
13	1
14	2
15	3
16	1
17	1
18	2
19	3
20	1
21	1
22	2
23	3
24	2
25	1
26	2
27	3
28	3
29	1
30	2
31	3
32	2
33	1
34	2
35	3
36	1
37	1
38	2
39	3
40	2
41	1
42	2
43	3
44	3
45	1
46	2
47	3
48	3
49	1
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	3
61	1
62	2
63	3
64	1
65	1
66	2
67	3
68	1
69	1
70	2
71	3
72	2
73	1
74	2
75	3
76	3
77	1
78	2
79	3
80	1
81	1
82	2
83	3
84	1
85	1
86	2
87	3
88	2
89	1
90	2
91	3
92	3
93	1
94	2
95	3
96	2
97	1
98	2
99	3
100	1
101	1
102	2
103	3
104	2
105	1

n	a(n)
1	1
2	2
3	3
4	1
5	1
6	2
7	3
8	2
9	1
10	2
11	3
12	3
13	1
14	2
15	3
16	1
17	1
18	2
19	3
20	1
21	1
22	2
23	3
24	2
25	1
26	2
27	3
28	3
29	1
30	2
31	3
32	2
33	1
34	2
35	3
36	1
37	1
38	2
39	3
40	2
41	1
42	2
43	3
44	3
45	1
46	2
47	3
48	3
49	1
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	3
61	1
62	2
63	3
64	1
65	1
66	2
67	3
68	1
69	1
70	2
71	3
72	2
73	1
74	2
75	3
76	3
77	1
78	2
79	3
80	1
81	1
82	2
83	3
84	1
85	1
86	2
87	3
88	2
89	1
90	2
91	3
92	3
93	1
94	2
95	3
96	2
97	1
98	2
99	3
100	1
101	1
102	2
103	3
104	2
105	1