A129233 - cp's OEIS frontend

A129233 Number of integers k>=n such that binomial(k,n) has fewer than n distinct prime factors.

n	a(n)
1	1
2	2
3	6
4	9
5	20
6	26
7	43
8	63
9	75
10	91
11	130
12	151
13	185
14	243
15	279
16	307
17	383
18	392
19	488
20	511
21	595
22	716
23	904
24	917
25	1053
26	1213
27	1282
28	1262
29	1403
30	1632
31	1851
32	1839
33	1932
34	2135
35	2283
36	2426
37	2641
38	2913
39	3322
40	3347
41	3713
42	3642
43	4103
44	4386
45	4361
46	4893
47	5459

[1, 2, 6, 9, 20, 26, 43, 63, 75, 91, 130, 151, 185, 243, 279, 307, 383, 392, 488, 511, 595, 716, 904, 917, 1053, 1213, 1282, 1262, 1403, 1632, 1851, 1839, 1932, 2135, 2283, 2426, 2641, 2913, 3322, 3347, 3713, 3642, 4103, 4386, 4361, 4893, 5459]

cp's OEIS Frontend

A129233 Number of integers k>=n such that binomial(k,n) has fewer than n distinct prime factors.

Table of values

List of values