A090002 - cp's OEIS frontend

A090002 Length of longest contiguous block of 1's in binary expansion of n-th triangular number.

n	a(n)
0	0
1	1
2	2
3	2
4	1
5	4
6	1
7	3
8	1
9	2
10	3
11	1
12	3
13	2
14	2
15	4
16	1
17	2
18	2
19	5
20	2
21	3
22	6
23	1
24	2
25	1
26	5
27	4
28	2
29	2
30	3
31	5
32	1
33	2
34	2
35	3
36	2
37	6
38	3
39	2
40	2
41	3
42	3
43	3
44	4
45	2
46	3
47	2
48	2
49	2
50	5
51	3
52	2
53	3
54	3
55	2
56	4
57	3
58	4
59	3
60	3
61	3
62	4
63	6
64	1
65	2
66	2
67	3
68	1
69	4
70	2
71	7
72	1
73	2
74	3
75	2
76	3
77	3
78	2
79	2
80	2
81	5
82	2
83	4
84	5
85	3
86	3
87	4
88	4
89	5
90	12
91	2
92	2
93	2
94	3
95	3
96	2
97	1
98	4
99	2
100	3
101	5

[0, 1, 2, 2, 1, 4, 1, 3, 1, 2, 3, 1, 3, 2, 2, 4, 1, 2, 2, 5, 2, 3, 6, 1, 2, 1, 5, 4, 2, 2, 3, 5, 1, 2, 2, 3, 2, 6, 3, 2, 2, 3, 3, 3, 4, 2, 3, 2, 2, 2, 5, 3, 2, 3, 3, 2, 4, 3, 4, 3, 3, 3, 4, 6, 1, 2, 2, 3, 1, 4, 2, 7, 1, 2, 3, 2, 3, 3, 2, 2, 2, 5, 2, 4, 5, 3, 3, 4, 4, 5, 12, 2, 2, 2, 3, 3, 2, 1, 4, 2, 3, 5]

cp's OEIS Frontend

A090002 Length of longest contiguous block of 1's in binary expansion of n-th triangular number.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	2
4	1
5	4
6	1
7	3
8	1
9	2
10	3
11	1
12	3
13	2
14	2
15	4
16	1
17	2
18	2
19	5
20	2
21	3
22	6
23	1
24	2
25	1
26	5
27	4
28	2
29	2
30	3
31	5
32	1
33	2
34	2
35	3
36	2
37	6
38	3
39	2
40	2
41	3
42	3
43	3
44	4
45	2
46	3
47	2
48	2
49	2
50	5
51	3
52	2
53	3
54	3
55	2
56	4
57	3
58	4
59	3
60	3
61	3
62	4
63	6
64	1
65	2
66	2
67	3
68	1
69	4
70	2
71	7
72	1
73	2
74	3
75	2
76	3
77	3
78	2
79	2
80	2
81	5
82	2
83	4
84	5
85	3
86	3
87	4
88	4
89	5
90	12
91	2
92	2
93	2
94	3
95	3
96	2
97	1
98	4
99	2
100	3
101	5

n	a(n)
0	0
1	1
2	2
3	2
4	1
5	4
6	1
7	3
8	1
9	2
10	3
11	1
12	3
13	2
14	2
15	4
16	1
17	2
18	2
19	5
20	2
21	3
22	6
23	1
24	2
25	1
26	5
27	4
28	2
29	2
30	3
31	5
32	1
33	2
34	2
35	3
36	2
37	6
38	3
39	2
40	2
41	3
42	3
43	3
44	4
45	2
46	3
47	2
48	2
49	2
50	5
51	3
52	2
53	3
54	3
55	2
56	4
57	3
58	4
59	3
60	3
61	3
62	4
63	6
64	1
65	2
66	2
67	3
68	1
69	4
70	2
71	7
72	1
73	2
74	3
75	2
76	3
77	3
78	2
79	2
80	2
81	5
82	2
83	4
84	5
85	3
86	3
87	4
88	4
89	5
90	12
91	2
92	2
93	2
94	3
95	3
96	2
97	1
98	4
99	2
100	3
101	5

n	a(n)
0	0
1	1
2	2
3	2
4	1
5	4
6	1
7	3
8	1
9	2
10	3
11	1
12	3
13	2
14	2
15	4
16	1
17	2
18	2
19	5
20	2
21	3
22	6
23	1
24	2
25	1
26	5
27	4
28	2
29	2
30	3
31	5
32	1
33	2
34	2
35	3
36	2
37	6
38	3
39	2
40	2
41	3
42	3
43	3
44	4
45	2
46	3
47	2
48	2
49	2
50	5
51	3
52	2
53	3
54	3
55	2
56	4
57	3
58	4
59	3
60	3
61	3
62	4
63	6
64	1
65	2
66	2
67	3
68	1
69	4
70	2
71	7
72	1
73	2
74	3
75	2
76	3
77	3
78	2
79	2
80	2
81	5
82	2
83	4
84	5
85	3
86	3
87	4
88	4
89	5
90	12
91	2
92	2
93	2
94	3
95	3
96	2
97	1
98	4
99	2
100	3
101	5