A171780 - cp's OEIS frontend

A171780 G.f. F_1(x) satisfies: x = Sum_{n>=1} F_{n}(x)^n, where the n-th iteration of the g.f. is defined by: F_{n}(x) = F_{n-1}( F_1(x) ) with F_0(x) = x.

n	a(n)
1	1
2	-1
3	3
4	-12
5	55
6	-273
7	1431
8	-7837
9	44726
10	-266381
11	1658300
12	-10768609
13	72407500
14	-498510748
15	3477131466
16	-24461950817
17	174793982029
18	-1294469021982
19	10177610535232
20	-85391010070808
21	741460526149745
22	-6291905077685633

[1, -1, 3, -12, 55, -273, 1431, -7837, 44726, -266381, 1658300, -10768609, 72407500, -498510748, 3477131466, -24461950817, 174793982029, -1294469021982, 10177610535232, -85391010070808, 741460526149745, -6291905077685633]

cp's OEIS Frontend

A171780 G.f. F_1(x) satisfies: x = Sum_{n>=1} F_{n}(x)^n, where the n-th iteration of the g.f. is defined by: F_{n}(x) = F_{n-1}( F_1(x) ) with F_0(x) = x.

Table of values

List of values