A375118 - cp's OEIS frontend

A375118 Let {b(m)} be Recamán's sequence A005132, with the additional term b(-1):=0. Define a(n) to be the first index m where b(m-1)-m = -n, or -1 if b(m-1)-m never equals -n.

n	a(n)
0	0
1	1
2	181695
3	5
4	1523
5	137
6	15
7	1525
8	139
9	17
10	1527
11	141
12	28
13	1529
14	143
15	30
16	1531
17	145
18	32
19	1533
20	147
21	53
22	1535
23	149
24	55
25	1537
26	151
27	57
28	1539
29	153
30	59
31	1541
32	155
33	61
34	1543
35	157
36	63
37	1545
38	159
39	65
40	1547
41	161
42	276
43	1549
44	163
45	278
46	1551
47	165
48	280
49	1553
50	167
51	282

[0, 1, 181695, 5, 1523, 137, 15, 1525, 139, 17, 1527, 141, 28, 1529, 143, 30, 1531, 145, 32, 1533, 147, 53, 1535, 149, 55, 1537, 151, 57, 1539, 153, 59, 1541, 155, 61, 1543, 157, 63, 1545, 159, 65, 1547, 161, 276, 1549, 163, 278, 1551, 165, 280, 1553, 167, 282]

cp's OEIS Frontend

A375118 Let {b(m)} be Recamán's sequence A005132, with the additional term b(-1):=0. Define a(n) to be the first index m where b(m-1)-m = -n, or -1 if b(m-1)-m never equals -n.

Table of values

List of values