A232866 - cp's OEIS frontend

A232866 Positions of the nonnegative 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	1
2	2
3	3
4	5
5	9
6	16
7	27
8	42
9	61
10	84
11	111
12	142
13	177
14	216
15	259
16	306
17	357
18	412
19	471
20	534
21	601
22	672
23	747
24	826
25	909
26	996
27	1087
28	1182
29	1281
30	1384
31	1491
32	1602
33	1717
34	1836
35	1959
36	2086
37	2217
38	2352
39	2491
40	2634
41	2781
42	2932
43	3087
44	3246
45	3409
46	3576
47	3747
48	3922
49	4101
50	4284

[1, 2, 3, 5, 9, 16, 27, 42, 61, 84, 111, 142, 177, 216, 259, 306, 357, 412, 471, 534, 601, 672, 747, 826, 909, 996, 1087, 1182, 1281, 1384, 1491, 1602, 1717, 1836, 1959, 2086, 2217, 2352, 2491, 2634, 2781, 2932, 3087, 3246, 3409, 3576, 3747, 3922, 4101, 4284]

cp's OEIS Frontend

A232866 Positions of the nonnegative 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