A193929 - cp's OEIS frontend

A193929 Number of prime factors of n^4 + 1, counted with multiplicity.

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

[0, 1, 1, 2, 1, 2, 1, 2, 2, 3, 2, 2, 2, 2, 2, 3, 1, 2, 2, 3, 1, 2, 2, 2, 1, 3, 2, 3, 1, 2, 2, 3, 2, 3, 1, 2, 2, 3, 2, 2, 2, 3, 2, 4, 3, 3, 1, 3, 1, 3, 2, 3, 2, 3, 1, 3, 1, 2, 2, 4, 3, 2, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 2, 2, 1, 3, 3, 4, 2, 4, 1, 2, 1, 4, 2, 4, 2, 3, 1, 3, 1, 3, 2, 3, 2, 4, 3, 3, 2, 3, 2, 3, 2, 2, 3, 2, 1, 3, 2, 3, 3, 4, 2, 2, 2, 2, 2, 3, 1]

cp's OEIS Frontend

A193929 Number of prime factors of n^4 + 1, counted with multiplicity.

Table of values

List of values

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

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

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