A381670 - cp's OEIS frontend

A381670 The function A(x) = x+(1/2)x^2-(1/16)x^4... = Sum_{k >= 0} x^kA381669(k)/a(k) satisfies the functional equation: x(A(x)+1) = A(A(x)).

n	a(n)
0	1
1	1
2	2
3	1
4	16
5	16
6	64
7	16
8	1024
9	1024
10	4096
11	2048
12	32768
13	32768
14	131072
15	16384
16	4194304
17	4194304
18	16777216
19	8388608
20	134217728
21	134217728
22	536870912
23	134217728
24	8589934592
25	8589934592
26	34359738368
27	17179869184
28	274877906944
29	274877906944
30	1099511627776

[1, 1, 2, 1, 16, 16, 64, 16, 1024, 1024, 4096, 2048, 32768, 32768, 131072, 16384, 4194304, 4194304, 16777216, 8388608, 134217728, 134217728, 536870912, 134217728, 8589934592, 8589934592, 34359738368, 17179869184, 274877906944, 274877906944, 1099511627776]

cp's OEIS Frontend

A381670 The function A(x) = x+(1/2)x^2-(1/16)x^4... = Sum_{k >= 0} x^kA381669(k)/a(k) satisfies the functional equation: x(A(x)+1) = A(A(x)).

Table of values

List of values

cp's OEIS Frontend

A381670 The function A(x) = x+(1/2)*x^2-(1/16)*x^4... = Sum_{k >= 0} x^k*A381669(k)/a(k) satisfies the functional equation: x*(A(x)+1) = A(A(x)).

Table of values

List of values

A381670 The function A(x) = x+(1/2)x^2-(1/16)x^4... = Sum_{k >= 0} x^kA381669(k)/a(k) satisfies the functional equation: x(A(x)+1) = A(A(x)).