A096526 - cp's OEIS frontend

A096526 Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in a cycle of length 4.

n	a(n)
1	324
2	400
3	484
4	490
5	530
6	544
7	576
8	630
9	660
10	672
11	684
12	690
13	714
14	722
15	750
16	756
17	768
18	770
19	772
20	777
21	780
22	792
23	804
24	810
25	819
26	828
27	832
28	833
29	840
30	841
31	846
32	852
33	858
34	864
35	868
36	870
37	872
38	876
39	888
40	892
41	901
42	906
43	910
44	918
45	920
46	924
47	930
48	936
49	940
50	948
51	952

[324, 400, 484, 490, 530, 544, 576, 630, 660, 672, 684, 690, 714, 722, 750, 756, 768, 770, 772, 777, 780, 792, 804, 810, 819, 828, 832, 833, 840, 841, 846, 852, 858, 864, 868, 870, 872, 876, 888, 892, 901, 906, 910, 918, 920, 924, 930, 936, 940, 948, 952]

cp's OEIS Frontend

A096526 Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in a cycle of length 4.

Table of values

List of values

n	a(n)
1	324
2	400
3	484
4	490
5	530
6	544
7	576
8	630
9	660
10	672
11	684
12	690
13	714
14	722
15	750
16	756
17	768
18	770
19	772
20	777
21	780
22	792
23	804
24	810
25	819
26	828
27	832
28	833
29	840
30	841
31	846
32	852
33	858
34	864
35	868
36	870
37	872
38	876
39	888
40	892
41	901
42	906
43	910
44	918
45	920
46	924
47	930
48	936
49	940
50	948
51	952

n	a(n)
1	324
2	400
3	484
4	490
5	530
6	544
7	576
8	630
9	660
10	672
11	684
12	690
13	714
14	722
15	750
16	756
17	768
18	770
19	772
20	777
21	780
22	792
23	804
24	810
25	819
26	828
27	832
28	833
29	840
30	841
31	846
32	852
33	858
34	864
35	868
36	870
37	872
38	876
39	888
40	892
41	901
42	906
43	910
44	918
45	920
46	924
47	930
48	936
49	940
50	948
51	952

n	a(n)
1	324
2	400
3	484
4	490
5	530
6	544
7	576
8	630
9	660
10	672
11	684
12	690
13	714
14	722
15	750
16	756
17	768
18	770
19	772
20	777
21	780
22	792
23	804
24	810
25	819
26	828
27	832
28	833
29	840
30	841
31	846
32	852
33	858
34	864
35	868
36	870
37	872
38	876
39	888
40	892
41	901
42	906
43	910
44	918
45	920
46	924
47	930
48	936
49	940
50	948
51	952