A071157 - cp's OEIS frontend

A071157 The zero-free, right-to-left factorial walk encoding for each rooted plane tree encoded by A014486. Sequence A071155 shown with factorial expansion (A007623).

n	a(n)
0	0
1	1
2	11
3	21
4	111
5	211
6	121
7	221
8	321
9	1111
10	2111
11	1211
12	2211
13	3211
14	1121
15	2121
16	1221
17	2221
18	3221
19	1321
20	2321
21	3321
22	4321
23	11111
24	21111
25	12111
26	22111
27	32111
28	11211
29	21211
30	12211
31	22211
32	32211
33	13211
34	23211
35	33211
36	43211
37	11121
38	21121
39	12121

[0, 1, 11, 21, 111, 211, 121, 221, 321, 1111, 2111, 1211, 2211, 3211, 1121, 2121, 1221, 2221, 3221, 1321, 2321, 3321, 4321, 11111, 21111, 12111, 22111, 32111, 11211, 21211, 12211, 22211, 32211, 13211, 23211, 33211, 43211, 11121, 21121, 12121]

cp's OEIS Frontend

A071157 The zero-free, right-to-left factorial walk encoding for each rooted plane tree encoded by A014486. Sequence A071155 shown with factorial expansion (A007623).

Table of values

List of values