A227987 - cp's OEIS frontend

A227987 If the run lengths of the binary representation of n are [1+r_1, 1+r_2, 1+r_3, ..., 1+r_k], then those of a(n) are [1+(r_1), 1+(r_1 XOR r_2), 1+(r_1 XOR r_2 XOR r_3), ..., 1+(r_1 XOR ... XOR r_k)], where XOR denotes the XOR binary operator.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	12
7	7
8	8
9	19
10	10
11	11
12	6
13	51
14	56
15	15
16	16
17	71
18	76
19	9
20	20
21	21
22	44
23	23
24	48
25	13
26	204
27	25
28	112
29	455
30	240
31	31
32	32
33	271
34	568
35	143
36	38
37	307
38	18
39	79
40	40
41	83
42	42
43	43
44	22
45	179
46	184
47	47
48	24
49	783
50	26
51	27
52	102
53	819
54	50
55	207
56	14
57	1807
58	3640
59	911
60	120
61	3855

[1, 2, 3, 4, 5, 12, 7, 8, 19, 10, 11, 6, 51, 56, 15, 16, 71, 76, 9, 20, 21, 44, 23, 48, 13, 204, 25, 112, 455, 240, 31, 32, 271, 568, 143, 38, 307, 18, 79, 40, 83, 42, 43, 22, 179, 184, 47, 24, 783, 26, 27, 102, 819, 50, 207, 14, 1807, 3640, 911, 120, 3855]

cp's OEIS Frontend

A227987 If the run lengths of the binary representation of n are [1+r_1, 1+r_2, 1+r_3, ..., 1+r_k], then those of a(n) are [1+(r_1), 1+(r_1 XOR r_2), 1+(r_1 XOR r_2 XOR r_3), ..., 1+(r_1 XOR ... XOR r_k)], where XOR denotes the XOR binary operator.

Table of values

List of values