A232867 - cp's OEIS frontend

A232867 Positions of the negative integers in the sequence (or tree) of complex numbers generated by these rules: 0 is in S, and if x is in S, then x + 1 and i*x are in S, where duplicates are deleted as they occur.

n	a(n)
1	8
2	12
3	19
4	30
5	45
6	64
7	87
8	114
9	145
10	180
11	219
12	262
13	309
14	360
15	415
16	474
17	537
18	604
19	675
20	750
21	829
22	912
23	999
24	1090
25	1185
26	1284
27	1387
28	1494
29	1605
30	1720
31	1839
32	1962
33	2089
34	2220
35	2355
36	2494
37	2637
38	2784
39	2935
40	3090
41	3249
42	3412
43	3579
44	3750
45	3925
46	4104
47	4287
48	4474

[8, 12, 19, 30, 45, 64, 87, 114, 145, 180, 219, 262, 309, 360, 415, 474, 537, 604, 675, 750, 829, 912, 999, 1090, 1185, 1284, 1387, 1494, 1605, 1720, 1839, 1962, 2089, 2220, 2355, 2494, 2637, 2784, 2935, 3090, 3249, 3412, 3579, 3750, 3925, 4104, 4287, 4474]

cp's OEIS Frontend

A232867 Positions of the negative integers in the sequence (or tree) of complex numbers generated by these rules: 0 is in S, and if x is in S, then x + 1 and i*x are in S, where duplicates are deleted as they occur.

Table of values

List of values