A351771 - cp's OEIS frontend

A351771 Given g.f. A(x), the even bisections of both A(x) and A(x)^2 are equal, and the odd bisections of both A(x)^2 and A(x)^3 are equal (after the initial terms).

n	a(n)
0	1
1	1
2	-1
3	3
4	-7
5	28
6	-79
7	350
8	-1075
9	5020
10	-16180
11	78023
12	-259417
13	1278340
14	-4343642
15	21740636
16	-75065787
17	380161308
18	-1328887420
19	6792111260
20	-23975385148
21	123448657904
22	-439228736887
23	2275311657814
24	-8148868193557
25	42427160829508
26	-152792221834364

[1, 1, -1, 3, -7, 28, -79, 350, -1075, 5020, -16180, 78023, -259417, 1278340, -4343642, 21740636, -75065787, 380161308, -1328887420, 6792111260, -23975385148, 123448657904, -439228736887, 2275311657814, -8148868193557, 42427160829508, -152792221834364]

cp's OEIS Frontend

A351771 Given g.f. A(x), the even bisections of both A(x) and A(x)^2 are equal, and the odd bisections of both A(x)^2 and A(x)^3 are equal (after the initial terms).

Table of values

List of values