A137560 - cp's OEIS frontend

A137560 Let f(z) = z^2 + c, then row k lists the expansion of the n-fold composition f(f(...f(0)...)) in rising powers of c.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	2
10	1
11	0
12	1
13	1
14	2
15	5
16	6
17	6
18	4
19	1
20	0
21	1
22	1
23	2
24	5
25	14
26	26
27	44
28	69
29	94
30	114
31	116
32	94
33	60
34	28
35	8
36	1
37	0
38	1
39	1
40	2
41	5
42	14
43	42
44	100
45	221
46	470
47	958
48	1860
49	3434
50	6036
51	10068
52	15864
53	23461
54	32398
55	41658
56	49700
57	54746
58	55308
59	50788
60	41944
61	30782
62	19788

[1, 0, 1, 0, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 2, 5, 6, 6, 4, 1, 0, 1, 1, 2, 5, 14, 26, 44, 69, 94, 114, 116, 94, 60, 28, 8, 1, 0, 1, 1, 2, 5, 14, 42, 100, 221, 470, 958, 1860, 3434, 6036, 10068, 15864, 23461, 32398, 41658, 49700, 54746, 55308, 50788, 41944, 30782, 19788]

cp's OEIS Frontend

A137560 Let f(z) = z^2 + c, then row k lists the expansion of the n-fold composition f(f(...f(0)...)) in rising powers of c.

Table of values

List of values