A372594 - cp's OEIS frontend

A372594 Irregular triangle read by rows, where the n-th row gives the number of steps in the hydra game (the version described in A180368) when the initial hydra is each of the A000108(n) ordered trees with n edges (ordered by lexicographic order of their corresponding Dyck words as in A063171).

n	a(n)
0	0
1	1
2	2
3	3
4	3
5	4
6	4
7	7
8	8
9	4
10	5
11	5
12	8
13	9
14	5
15	6
16	8
17	15
18	16
19	9
20	17
21	37
22	38
23	5
24	6
25	6
26	9
27	10
28	6
29	7
30	9
31	16
32	17
33	10
34	18
35	38
36	39
37	6
38	7
39	7
40	10
41	11
42	9
43	10
44	16
45	31
46	32
47	17
48	33
49	69
50	70
51	10
52	11
53	18
54	35
55	36
56	38
57	75
58	614
59	615
60	39
61	77
62	631
63	161914
64	161915

[0, 1, 2, 3, 3, 4, 4, 7, 8, 4, 5, 5, 8, 9, 5, 6, 8, 15, 16, 9, 17, 37, 38, 5, 6, 6, 9, 10, 6, 7, 9, 16, 17, 10, 18, 38, 39, 6, 7, 7, 10, 11, 9, 10, 16, 31, 32, 17, 33, 69, 70, 10, 11, 18, 35, 36, 38, 75, 614, 615, 39, 77, 631, 161914, 161915]

cp's OEIS Frontend

A372594 Irregular triangle read by rows, where the n-th row gives the number of steps in the hydra game (the version described in A180368) when the initial hydra is each of the A000108(n) ordered trees with n edges (ordered by lexicographic order of their corresponding Dyck words as in A063171).

Table of values

List of values