A260719 - cp's OEIS frontend

A260719 a(n) = A091222(A260735(n)): number of irreducible factors (in ring GF(2)[X]) of the binary encoded polynomial obtained after the n-th iteration of A234742, when starting with the initial value 455.

n	a(n)
0	5
1	5
2	3
3	4
4	3
5	5
6	9
7	2
8	7
9	2
10	6
11	6
12	2
13	2
14	2
15	3
16	8
17	8
18	6
19	5
20	5
21	7
22	6
23	4
24	5
25	6
26	2
27	7
28	6
29	4
30	5
31	4
32	5
33	4
34	5
35	9
36	4
37	10
38	3
39	4
40	7
41	4
42	4
43	3
44	4
45	3
46	5
47	8
48	6
49	4
50	7
51	5
52	3
53	7
54	3
55	3
56	3
57	3
58	3
59	7
60	3
61	5
62	6
63	6
64	9
65	4
66	9
67	3
68	5
69	6
70	3
71	4
72	5
73	7
74	7
75	4
76	5
77	2
78	10
79	11
80	6
81	6
82	7
83	13
84	4
85	6
86	5
87	10
88	6
89	4
90	7
91	4
92	10
93	8
94	3
95	7
96	7
97	4
98	5
99	5
100	2
101	4
102	8
103	3
104	4
105	3
106	7
107	4
108	6
109	3
110	15
111	3
112	4
113	7
114	6
115	6
116	6
117	5
118	5
119	8
120	4

[5, 5, 3, 4, 3, 5, 9, 2, 7, 2, 6, 6, 2, 2, 2, 3, 8, 8, 6, 5, 5, 7, 6, 4, 5, 6, 2, 7, 6, 4, 5, 4, 5, 4, 5, 9, 4, 10, 3, 4, 7, 4, 4, 3, 4, 3, 5, 8, 6, 4, 7, 5, 3, 7, 3, 3, 3, 3, 3, 7, 3, 5, 6, 6, 9, 4, 9, 3, 5, 6, 3, 4, 5, 7, 7, 4, 5, 2, 10, 11, 6, 6, 7, 13, 4, 6, 5, 10, 6, 4, 7, 4, 10, 8, 3, 7, 7, 4, 5, 5, 2, 4, 8, 3, 4, 3, 7, 4, 6, 3, 15, 3, 4, 7, 6, 6, 6, 5, 5, 8, 4]

cp's OEIS Frontend

A260719 a(n) = A091222(A260735(n)): number of irreducible factors (in ring GF(2)[X]) of the binary encoded polynomial obtained after the n-th iteration of A234742, when starting with the initial value 455.

Table of values

List of values

n	a(n)
0	5
1	5
2	3
3	4
4	3
5	5
6	9
7	2
8	7
9	2
10	6
11	6
12	2
13	2
14	2
15	3
16	8
17	8
18	6
19	5
20	5
21	7
22	6
23	4
24	5
25	6
26	2
27	7
28	6
29	4
30	5
31	4
32	5
33	4
34	5
35	9
36	4
37	10
38	3
39	4
40	7
41	4
42	4
43	3
44	4
45	3
46	5
47	8
48	6
49	4
50	7
51	5
52	3
53	7
54	3
55	3
56	3
57	3
58	3
59	7
60	3
61	5
62	6
63	6
64	9
65	4
66	9
67	3
68	5
69	6
70	3
71	4
72	5
73	7
74	7
75	4
76	5
77	2
78	10
79	11
80	6
81	6
82	7
83	13
84	4
85	6
86	5
87	10
88	6
89	4
90	7
91	4
92	10
93	8
94	3
95	7
96	7
97	4
98	5
99	5
100	2
101	4
102	8
103	3
104	4
105	3
106	7
107	4
108	6
109	3
110	15
111	3
112	4
113	7
114	6
115	6
116	6
117	5
118	5
119	8
120	4

n	a(n)
0	5
1	5
2	3
3	4
4	3
5	5
6	9
7	2
8	7
9	2
10	6
11	6
12	2
13	2
14	2
15	3
16	8
17	8
18	6
19	5
20	5
21	7
22	6
23	4
24	5
25	6
26	2
27	7
28	6
29	4
30	5
31	4
32	5
33	4
34	5
35	9
36	4
37	10
38	3
39	4
40	7
41	4
42	4
43	3
44	4
45	3
46	5
47	8
48	6
49	4
50	7
51	5
52	3
53	7
54	3
55	3
56	3
57	3
58	3
59	7
60	3
61	5
62	6
63	6
64	9
65	4
66	9
67	3
68	5
69	6
70	3
71	4
72	5
73	7
74	7
75	4
76	5
77	2
78	10
79	11
80	6
81	6
82	7
83	13
84	4
85	6
86	5
87	10
88	6
89	4
90	7
91	4
92	10
93	8
94	3
95	7
96	7
97	4
98	5
99	5
100	2
101	4
102	8
103	3
104	4
105	3
106	7
107	4
108	6
109	3
110	15
111	3
112	4
113	7
114	6
115	6
116	6
117	5
118	5
119	8
120	4

n	a(n)
0	5
1	5
2	3
3	4
4	3
5	5
6	9
7	2
8	7
9	2
10	6
11	6
12	2
13	2
14	2
15	3
16	8
17	8
18	6
19	5
20	5
21	7
22	6
23	4
24	5
25	6
26	2
27	7
28	6
29	4
30	5
31	4
32	5
33	4
34	5
35	9
36	4
37	10
38	3
39	4
40	7
41	4
42	4
43	3
44	4
45	3
46	5
47	8
48	6
49	4
50	7
51	5
52	3
53	7
54	3
55	3
56	3
57	3
58	3
59	7
60	3
61	5
62	6
63	6
64	9
65	4
66	9
67	3
68	5
69	6
70	3
71	4
72	5
73	7
74	7
75	4
76	5
77	2
78	10
79	11
80	6
81	6
82	7
83	13
84	4
85	6
86	5
87	10
88	6
89	4
90	7
91	4
92	10
93	8
94	3
95	7
96	7
97	4
98	5
99	5
100	2
101	4
102	8
103	3
104	4
105	3
106	7
107	4
108	6
109	3
110	15
111	3
112	4
113	7
114	6
115	6
116	6
117	5
118	5
119	8
120	4