A138914 - cp's OEIS frontend

A138914 G.f. A(x) satisfies: 5A(x) = A(A(A(A(x)))) + 4x + x^2 with A(0)=0.

n	a(n)
1	1
2	1
3	12
4	390
5	18304
6	1071862
7	73349996
8	5661162666
9	482252816998
10	44704184452202
11	4465265748489708
12	477159108766899654
13	54255973609630750372
14	6536766146592886952548
15	831617552461457925554152

[1, 1, 12, 390, 18304, 1071862, 73349996, 5661162666, 482252816998, 44704184452202, 4465265748489708, 477159108766899654, 54255973609630750372, 6536766146592886952548, 831617552461457925554152]

cp's OEIS Frontend

A138914 G.f. A(x) satisfies: 5A(x) = A(A(A(A(x)))) + 4x + x^2 with A(0)=0.

Table of values

List of values

cp's OEIS Frontend

A138914 G.f. A(x) satisfies: 5*A(x) = A(A(A(A(x)))) + 4*x + x^2 with A(0)=0.

Table of values

List of values

A138914 G.f. A(x) satisfies: 5A(x) = A(A(A(A(x)))) + 4x + x^2 with A(0)=0.