A100071 - cp's OEIS frontend

A100071 a(n) = n * binomial(n-1, floor((n-1)/2)) = n * max_{i=0..n} binomial(n-1, i).

n	a(n)
0	0
1	1
2	2
3	6
4	12
5	30
6	60
7	140
8	280
9	630
10	1260
11	2772
12	5544
13	12012
14	24024
15	51480
16	102960
17	218790
18	437580
19	923780
20	1847560
21	3879876
22	7759752
23	16224936
24	32449872
25	67603900
26	135207800
27	280816200
28	561632400
29	1163381400
30	2326762800

[0, 1, 2, 6, 12, 30, 60, 140, 280, 630, 1260, 2772, 5544, 12012, 24024, 51480, 102960, 218790, 437580, 923780, 1847560, 3879876, 7759752, 16224936, 32449872, 67603900, 135207800, 280816200, 561632400, 1163381400, 2326762800]

cp's OEIS Frontend

A100071 a(n) = n * binomial(n-1, floor((n-1)/2)) = n * max_{i=0..n} binomial(n-1, i).

Table of values

List of values