A227350 - cp's OEIS frontend

A227350 Product of lengths of runs of 0-bits in binary representation of n, or 1 if no nonleading zeros present.

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

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

cp's OEIS Frontend

A227350 Product of lengths of runs of 0-bits in binary representation of n, or 1 if no nonleading zeros present.

Table of values

List of values

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

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

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