A184881 - cp's OEIS frontend

A184881 a(n) = A184879(2n, n) - A184879(2n, n+1) where A184879(n, k) = Hypergeometric2F1(-2k, 2k-2*n, 1, -1) if 0<=k<=n.

n	a(n)
0	1
1	-3
2	2
3	-3
4	6
5	-14
6	36
7	-99
8	286
9	-858
10	2652
11	-8398
12	27132
13	-89148
14	297160
15	-1002915
16	3421710
17	-11785890
18	40940460
19	-143291610
20	504932340
21	-1790214660
22	6382504440
23	-22870640910
24	82334307276
25	-297670187844
26	1080432533656
27	-3935861372604
28	14386251913656

[1, -3, 2, -3, 6, -14, 36, -99, 286, -858, 2652, -8398, 27132, -89148, 297160, -1002915, 3421710, -11785890, 40940460, -143291610, 504932340, -1790214660, 6382504440, -22870640910, 82334307276, -297670187844, 1080432533656, -3935861372604, 14386251913656]

cp's OEIS Frontend

A184881 a(n) = A184879(2n, n) - A184879(2n, n+1) where A184879(n, k) = Hypergeometric2F1(-2k, 2k-2*n, 1, -1) if 0<=k<=n.

Table of values

List of values

cp's OEIS Frontend

A184881 a(n) = A184879(2*n, n) - A184879(2*n, n+1) where A184879(n, k) = Hypergeometric2F1(-2*k, 2*k-2*n, 1, -1) if 0<=k<=n.

Table of values

List of values

A184881 a(n) = A184879(2n, n) - A184879(2n, n+1) where A184879(n, k) = Hypergeometric2F1(-2k, 2k-2*n, 1, -1) if 0<=k<=n.