A080214 - cp's OEIS frontend

A080214 Binomial(greatest prime factor of n, smallest prime factor of n).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	3
7	1
8	1
9	1
10	10
11	1
12	3
13	1
14	21
15	10
16	1
17	1
18	3
19	1
20	10
21	35
22	55
23	1
24	3
25	1
26	78
27	1
28	21
29	1
30	10
31	1
32	1
33	165
34	136
35	21
36	3
37	1
38	171
39	286
40	10
41	1
42	21
43	1
44	55
45	10
46	253
47	1
48	3
49	1
50	10
51	680
52	78
53	1
54	3
55	462
56	21
57	969
58	406
59	1
60	10
61	1
62	465
63	35
64	1
65	1287
66	55
67	1
68	136
69	1771
70	21
71	1
72	3
73	1
74	666
75	10

[1, 1, 1, 1, 1, 3, 1, 1, 1, 10, 1, 3, 1, 21, 10, 1, 1, 3, 1, 10, 35, 55, 1, 3, 1, 78, 1, 21, 1, 10, 1, 1, 165, 136, 21, 3, 1, 171, 286, 10, 1, 21, 1, 55, 10, 253, 1, 3, 1, 10, 680, 78, 1, 3, 462, 21, 969, 406, 1, 10, 1, 465, 35, 1, 1287, 55, 1, 136, 1771, 21, 1, 3, 1, 666, 10]

cp's OEIS Frontend

A080214 Binomial(greatest prime factor of n, smallest prime factor of n).

Table of values

List of values