A193759 - cp's OEIS frontend

A193759 Array, by antidiagonals, A(k,n) is the number of prime factors of n^(2^k) + 1, counted with multiplicity.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	2
10	0
11	1
12	1
13	2
14	1
15	0
16	1
17	1
18	3
19	1
20	2
21	0
22	1
23	2
24	2
25	1
26	2
27	1
28	0
29	1
30	2
31	2
32	2
33	3
34	1
35	3
36	0
37	1
38	2
39	2
40	2
41	3
42	2
43	2
44	2
45	0
46	1
47	2
48	6
49	2
50	4
51	3
52	3
53	2
54	2
55	0
56	1
57	3
58	5
59	2
60	4
61	3
62	3
63	3
64	3
65	1
66	3
67	0
68	1
69	4
70	7
71	3
72	4
73	3
74	4
75	3
76	2
77	2
78	2
79	1
80	0
81	1
82	5

[0, 0, 1, 0, 1, 1, 0, 1, 1, 2, 0, 1, 1, 2, 1, 0, 1, 1, 3, 1, 2, 0, 1, 2, 2, 1, 2, 1, 0, 1, 2, 2, 2, 3, 1, 3, 0, 1, 2, 2, 2, 3, 2, 2, 2, 0, 1, 2, 6, 2, 4, 3, 3, 2, 2, 0, 1, 3, 5, 2, 4, 3, 3, 3, 3, 1, 3, 0, 1, 4, 7, 3, 4, 3, 4, 3, 2, 2, 2, 1, 0, 1, 5]

cp's OEIS Frontend

A193759 Array, by antidiagonals, A(k,n) is the number of prime factors of n^(2^k) + 1, counted with multiplicity.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	2
10	0
11	1
12	1
13	2
14	1
15	0
16	1
17	1
18	3
19	1
20	2
21	0
22	1
23	2
24	2
25	1
26	2
27	1
28	0
29	1
30	2
31	2
32	2
33	3
34	1
35	3
36	0
37	1
38	2
39	2
40	2
41	3
42	2
43	2
44	2
45	0
46	1
47	2
48	6
49	2
50	4
51	3
52	3
53	2
54	2
55	0
56	1
57	3
58	5
59	2
60	4
61	3
62	3
63	3
64	3
65	1
66	3
67	0
68	1
69	4
70	7
71	3
72	4
73	3
74	4
75	3
76	2
77	2
78	2
79	1
80	0
81	1
82	5

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	2
10	0
11	1
12	1
13	2
14	1
15	0
16	1
17	1
18	3
19	1
20	2
21	0
22	1
23	2
24	2
25	1
26	2
27	1
28	0
29	1
30	2
31	2
32	2
33	3
34	1
35	3
36	0
37	1
38	2
39	2
40	2
41	3
42	2
43	2
44	2
45	0
46	1
47	2
48	6
49	2
50	4
51	3
52	3
53	2
54	2
55	0
56	1
57	3
58	5
59	2
60	4
61	3
62	3
63	3
64	3
65	1
66	3
67	0
68	1
69	4
70	7
71	3
72	4
73	3
74	4
75	3
76	2
77	2
78	2
79	1
80	0
81	1
82	5

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	2
10	0
11	1
12	1
13	2
14	1
15	0
16	1
17	1
18	3
19	1
20	2
21	0
22	1
23	2
24	2
25	1
26	2
27	1
28	0
29	1
30	2
31	2
32	2
33	3
34	1
35	3
36	0
37	1
38	2
39	2
40	2
41	3
42	2
43	2
44	2
45	0
46	1
47	2
48	6
49	2
50	4
51	3
52	3
53	2
54	2
55	0
56	1
57	3
58	5
59	2
60	4
61	3
62	3
63	3
64	3
65	1
66	3
67	0
68	1
69	4
70	7
71	3
72	4
73	3
74	4
75	3
76	2
77	2
78	2
79	1
80	0
81	1
82	5