A141424 - cp's OEIS frontend

A141424 Numerators of second column of the inverse of the triangle of polynomial coefficients P(0,x)=1, 2P(n,x)=(1+x)*[(1+x)^(n-1)+x^(n-1)].

n	a(n)
0	1
1	-3
2	3
3	-5
4	5
5	-7
6	7
7	3
8	-3
9	-121
10	121
11	1261
12	-1261
13	-20583
14	20583
15	888403
16	-888403
17	-24729925
18	24729925
19	862992399
20	-862992399
21	-36913939769
22	36913939769
23	1899853421885
24	-1899853421885
25	-115841483491323
26	115841483491323
27	8258802033519361

[1, -3, 3, -5, 5, -7, 7, 3, -3, -121, 121, 1261, -1261, -20583, 20583, 888403, -888403, -24729925, 24729925, 862992399, -862992399, -36913939769, 36913939769, 1899853421885, -1899853421885, -115841483491323, 115841483491323, 8258802033519361]

cp's OEIS Frontend

A141424 Numerators of second column of the inverse of the triangle of polynomial coefficients P(0,x)=1, 2P(n,x)=(1+x)*[(1+x)^(n-1)+x^(n-1)].

Table of values

List of values