A092855 - cp's OEIS frontend

A092855 Numbers k such that the k-th bit in the binary expansion of sqrt(2) - 1 is 1: sqrt(2) - 1 = Sum_{n>=1} 1/2^a(n).

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	16
7	17
8	18
9	19
10	22
11	23
12	26
13	27
14	30
15	31
16	32
17	33
18	34
19	35
20	36
21	39
22	40
23	41
24	43
25	44
26	45
27	46
28	49
29	50
30	53
31	56
32	61
33	65
34	67
35	68
36	71
37	73
38	74
39	75
40	76
41	77
42	79
43	80
44	84
45	87
46	88
47	90
48	91
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	105
57	108
58	110
59	112
60	114
61	115
62	116
63	117
64	118
65	120
66	123
67	124

[2, 3, 5, 7, 13, 16, 17, 18, 19, 22, 23, 26, 27, 30, 31, 32, 33, 34, 35, 36, 39, 40, 41, 43, 44, 45, 46, 49, 50, 53, 56, 61, 65, 67, 68, 71, 73, 74, 75, 76, 77, 79, 80, 84, 87, 88, 90, 91, 94, 95, 97, 98, 99, 101, 103, 105, 108, 110, 112, 114, 115, 116, 117, 118, 120, 123, 124]

cp's OEIS Frontend

A092855 Numbers k such that the k-th bit in the binary expansion of sqrt(2) - 1 is 1: sqrt(2) - 1 = Sum_{n>=1} 1/2^a(n).

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	16
7	17
8	18
9	19
10	22
11	23
12	26
13	27
14	30
15	31
16	32
17	33
18	34
19	35
20	36
21	39
22	40
23	41
24	43
25	44
26	45
27	46
28	49
29	50
30	53
31	56
32	61
33	65
34	67
35	68
36	71
37	73
38	74
39	75
40	76
41	77
42	79
43	80
44	84
45	87
46	88
47	90
48	91
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	105
57	108
58	110
59	112
60	114
61	115
62	116
63	117
64	118
65	120
66	123
67	124

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	16
7	17
8	18
9	19
10	22
11	23
12	26
13	27
14	30
15	31
16	32
17	33
18	34
19	35
20	36
21	39
22	40
23	41
24	43
25	44
26	45
27	46
28	49
29	50
30	53
31	56
32	61
33	65
34	67
35	68
36	71
37	73
38	74
39	75
40	76
41	77
42	79
43	80
44	84
45	87
46	88
47	90
48	91
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	105
57	108
58	110
59	112
60	114
61	115
62	116
63	117
64	118
65	120
66	123
67	124

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	16
7	17
8	18
9	19
10	22
11	23
12	26
13	27
14	30
15	31
16	32
17	33
18	34
19	35
20	36
21	39
22	40
23	41
24	43
25	44
26	45
27	46
28	49
29	50
30	53
31	56
32	61
33	65
34	67
35	68
36	71
37	73
38	74
39	75
40	76
41	77
42	79
43	80
44	84
45	87
46	88
47	90
48	91
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	105
57	108
58	110
59	112
60	114
61	115
62	116
63	117
64	118
65	120
66	123
67	124