A133135 - cp's OEIS frontend

A133135 Third 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	-2
2	2
3	-1
4	1
5	-4
6	4
7	13
8	-13
9	-142
10	142
11	1931
12	-1931
13	-36296
14	36296
15	893273
16	-893273
17	-27927346
18	27927346
19	1081725559
20	-1081725559
21	-50861556172
22	50861556172
23	2854289486309
24	-2854289486309
25	-188475382997654
26	188475382997654
27	14467150771771043
28	-14467150771771043

[1, -2, 2, -1, 1, -4, 4, 13, -13, -142, 142, 1931, -1931, -36296, 36296, 893273, -893273, -27927346, 27927346, 1081725559, -1081725559, -50861556172, 50861556172, 2854289486309, -2854289486309, -188475382997654, 188475382997654, 14467150771771043, -14467150771771043]

cp's OEIS Frontend

A133135 Third 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