A228186 - cp's OEIS frontend

A228186 a(n) is the smallest natural number k such that (k+n+1)!(k-n-2)! < 2k!*(k-1)!.

n	a(n)
0	4
1	9
2	18
3	29
4	44
5	61
6	81
7	104
8	130
9	159
10	191
11	226
12	263
13	304
14	347
15	393
16	442
17	494
18	549
19	607
20	667
21	731
22	797
23	866
24	938
25	1013
26	1091
27	1172
28	1256
29	1342
30	1432
31	1524
32	1619
33	1717
34	1818
35	1922
36	2029
37	2139
38	2251
39	2367
40	2485
41	2606
42	2730
43	2857
44	2987
45	3120
46	3255
47	3394
48	3535

[4, 9, 18, 29, 44, 61, 81, 104, 130, 159, 191, 226, 263, 304, 347, 393, 442, 494, 549, 607, 667, 731, 797, 866, 938, 1013, 1091, 1172, 1256, 1342, 1432, 1524, 1619, 1717, 1818, 1922, 2029, 2139, 2251, 2367, 2485, 2606, 2730, 2857, 2987, 3120, 3255, 3394, 3535]

cp's OEIS Frontend

A228186 a(n) is the smallest natural number k such that (k+n+1)!(k-n-2)! < 2k!*(k-1)!.

Table of values

List of values

cp's OEIS Frontend

A228186 a(n) is the smallest natural number k such that (k+n+1)!*(k-n-2)! < 2*k!*(k-1)!.

Table of values

List of values

A228186 a(n) is the smallest natural number k such that (k+n+1)!(k-n-2)! < 2k!*(k-1)!.