A225563 - cp's OEIS frontend

A225563 Numbers whose totient-trajectory can be partitioned into two sets with the same sum.

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	13
7	15
8	17
9	25
10	27
11	31
12	33
13	35
14	39
15	41
16	49
17	51
18	55
19	61
20	65
21	69
22	77
23	81
24	85
25	87
26	91
27	95
28	97
29	103
30	111
31	115
32	119
33	121
34	123
35	125
36	133
37	137
38	141
39	143
40	145
41	153
42	155
43	159
44	161
45	175
46	183
47	185
48	187
49	193
50	201
51	203
52	205
53	209
54	213
55	215
56	217
57	219
58	221

[3, 5, 7, 9, 11, 13, 15, 17, 25, 27, 31, 33, 35, 39, 41, 49, 51, 55, 61, 65, 69, 77, 81, 85, 87, 91, 95, 97, 103, 111, 115, 119, 121, 123, 125, 133, 137, 141, 143, 145, 153, 155, 159, 161, 175, 183, 185, 187, 193, 201, 203, 205, 209, 213, 215, 217, 219, 221]

cp's OEIS Frontend

A225563 Numbers whose totient-trajectory can be partitioned into two sets with the same sum.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	13
7	15
8	17
9	25
10	27
11	31
12	33
13	35
14	39
15	41
16	49
17	51
18	55
19	61
20	65
21	69
22	77
23	81
24	85
25	87
26	91
27	95
28	97
29	103
30	111
31	115
32	119
33	121
34	123
35	125
36	133
37	137
38	141
39	143
40	145
41	153
42	155
43	159
44	161
45	175
46	183
47	185
48	187
49	193
50	201
51	203
52	205
53	209
54	213
55	215
56	217
57	219
58	221

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	13
7	15
8	17
9	25
10	27
11	31
12	33
13	35
14	39
15	41
16	49
17	51
18	55
19	61
20	65
21	69
22	77
23	81
24	85
25	87
26	91
27	95
28	97
29	103
30	111
31	115
32	119
33	121
34	123
35	125
36	133
37	137
38	141
39	143
40	145
41	153
42	155
43	159
44	161
45	175
46	183
47	185
48	187
49	193
50	201
51	203
52	205
53	209
54	213
55	215
56	217
57	219
58	221

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	13
7	15
8	17
9	25
10	27
11	31
12	33
13	35
14	39
15	41
16	49
17	51
18	55
19	61
20	65
21	69
22	77
23	81
24	85
25	87
26	91
27	95
28	97
29	103
30	111
31	115
32	119
33	121
34	123
35	125
36	133
37	137
38	141
39	143
40	145
41	153
42	155
43	159
44	161
45	175
46	183
47	185
48	187
49	193
50	201
51	203
52	205
53	209
54	213
55	215
56	217
57	219
58	221