A117339 - cp's OEIS frontend

A117339 a(n) = a(n-1) + a(n-2); if a(n) is not prime divide a(n) by its largest prime factor.

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

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

cp's OEIS Frontend

A117339 a(n) = a(n-1) + a(n-2); if a(n) is not prime divide a(n) by its largest prime factor.

Table of values

List of values

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

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

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