A053146 - cp's OEIS frontend

A053146 When cototient function (A051953) is iterated with initial value A002110(n), a(n) = number of iterates that are not powers of 2.

n	a(n)
1	1
2	2
3	4
4	6
5	12
6	11
7	25
8	22
9	32
10	26
11	54
12	55
13	67
14	68
15	85
16	117
17	126
18	113
19	150
20	166
21	130
22	178
23	186
24	207
25	201
26	194
27	253
28	255
29	256
30	295
31	284
32	309
33	320
34	315
35	348
36	347
37	365
38	398
39	423
40	425
41	433
42	459
43	468
44	488

[1, 2, 4, 6, 12, 11, 25, 22, 32, 26, 54, 55, 67, 68, 85, 117, 126, 113, 150, 166, 130, 178, 186, 207, 201, 194, 253, 255, 256, 295, 284, 309, 320, 315, 348, 347, 365, 398, 423, 425, 433, 459, 468, 488]

cp's OEIS Frontend

A053146 When cototient function (A051953) is iterated with initial value A002110(n), a(n) = number of iterates that are not powers of 2.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	12
6	11
7	25
8	22
9	32
10	26
11	54
12	55
13	67
14	68
15	85
16	117
17	126
18	113
19	150
20	166
21	130
22	178
23	186
24	207
25	201
26	194
27	253
28	255
29	256
30	295
31	284
32	309
33	320
34	315
35	348
36	347
37	365
38	398
39	423
40	425
41	433
42	459
43	468
44	488

n	a(n)
1	1
2	2
3	4
4	6
5	12
6	11
7	25
8	22
9	32
10	26
11	54
12	55
13	67
14	68
15	85
16	117
17	126
18	113
19	150
20	166
21	130
22	178
23	186
24	207
25	201
26	194
27	253
28	255
29	256
30	295
31	284
32	309
33	320
34	315
35	348
36	347
37	365
38	398
39	423
40	425
41	433
42	459
43	468
44	488

n	a(n)
1	1
2	2
3	4
4	6
5	12
6	11
7	25
8	22
9	32
10	26
11	54
12	55
13	67
14	68
15	85
16	117
17	126
18	113
19	150
20	166
21	130
22	178
23	186
24	207
25	201
26	194
27	253
28	255
29	256
30	295
31	284
32	309
33	320
34	315
35	348
36	347
37	365
38	398
39	423
40	425
41	433
42	459
43	468
44	488