A242342 - cp's OEIS frontend

A242342 a(n) = binomial(n, smallest non-divisor of n).

n	a(n)
1	0
2	0
3	3
4	4
5	10
6	15
7	21
8	56
9	36
10	120
11	55
12	792
13	78
14	364
15	105
16	560
17	136
18	3060
19	171
20	1140
21	210
22	1540
23	253
24	42504
25	300
26	2600
27	351
28	3276
29	406
30	27405
31	465
32	4960
33	528
34	5984
35	595
36	376992
37	666
38	8436
39	741
40	9880
41	820
42	111930
43	903
44	13244
45	990
46	15180
47	1081
48	1712304
49	1176

[0, 0, 3, 4, 10, 15, 21, 56, 36, 120, 55, 792, 78, 364, 105, 560, 136, 3060, 171, 1140, 210, 1540, 253, 42504, 300, 2600, 351, 3276, 406, 27405, 465, 4960, 528, 5984, 595, 376992, 666, 8436, 741, 9880, 820, 111930, 903, 13244, 990, 15180, 1081, 1712304, 1176]

cp's OEIS Frontend

A242342 a(n) = binomial(n, smallest non-divisor of n).

Table of values

List of values