A380122 - cp's OEIS frontend

A380122 a(n) is the number of integers m (possibly negative) such that the nonzero digits in the nonadjacent form for m appear in the nonadjacent form for n.

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

[1, 2, 2, 4, 2, 4, 4, 4, 2, 4, 4, 8, 4, 8, 4, 4, 2, 4, 4, 8, 4, 8, 8, 8, 4, 8, 8, 8, 4, 8, 4, 4, 2, 4, 4, 8, 4, 8, 8, 8, 4, 8, 8, 16, 8, 16, 8, 8, 4, 8, 8, 16, 8, 16, 8, 8, 4, 8, 8, 8, 4, 8, 4, 4, 2, 4, 4, 8, 4, 8, 8, 8, 4, 8, 8, 16, 8, 16, 8, 8, 4, 8, 8, 16, 8]

cp's OEIS Frontend

A380122 a(n) is the number of integers m (possibly negative) such that the nonzero digits in the nonadjacent form for m appear in the nonadjacent form for n.

Table of values

List of values

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

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

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