A257726 - cp's OEIS frontend

A257726 a(0)=0; a(2n) = unlucky(a(n)), a(2n+1) = lucky(a(n)+1), where lucky = A000959, unlucky = A050505.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	7
6	5
7	9
8	6
9	13
10	11
11	25
12	8
13	15
14	14
15	33
16	10
17	21
18	19
19	51
20	17
21	43
22	35
23	115
24	12
25	31
26	22
27	67
28	20
29	63
30	45
31	163
32	16
33	37
34	29
35	93
36	27
37	79
38	66
39	273
40	24
41	73
42	57
43	223
44	47
45	171
46	146
47	723
48	18
49	49
50	42
51	151
52	30
53	99
54	88
55	385
56	28
57	87
58	83
59	349
60	59
61	235
62	203
63	1093
64	23
65	69
66	50
67	193
68	40
69	135
70	119
71	559
72	38
73	129
74	102
75	475
76	86
77	367
78	335
79	1983
80	34
81	111

[0, 1, 2, 3, 4, 7, 5, 9, 6, 13, 11, 25, 8, 15, 14, 33, 10, 21, 19, 51, 17, 43, 35, 115, 12, 31, 22, 67, 20, 63, 45, 163, 16, 37, 29, 93, 27, 79, 66, 273, 24, 73, 57, 223, 47, 171, 146, 723, 18, 49, 42, 151, 30, 99, 88, 385, 28, 87, 83, 349, 59, 235, 203, 1093, 23, 69, 50, 193, 40, 135, 119, 559, 38, 129, 102, 475, 86, 367, 335, 1983, 34, 111]

cp's OEIS Frontend

A257726 a(0)=0; a(2n) = unlucky(a(n)), a(2n+1) = lucky(a(n)+1), where lucky = A000959, unlucky = A050505.

Table of values

List of values