A080981 - cp's OEIS frontend

A080981 A014486-encodings of the trees whose interior zigzag-tree (Stanley's c) is branch-reduced (in the sense defined by Donaghey).

n	a(n)
0	0
1	2
2	10
3	12
4	44
5	50
6	52
7	178
8	180
9	204
10	210
11	216
12	228
13	716
14	722
15	728
16	740
17	818
18	820
19	844
20	866
21	868
22	872
23	914
24	920
25	932
26	2866
27	2868
28	2892
29	2914
30	2916
31	2920
32	2962
33	2968
34	2980
35	3276
36	3282
37	3288
38	3300
39	3378
40	3380
41	3468
42	3474
43	3480
44	3490
45	3492
46	3504
47	3528
48	3660

[0, 2, 10, 12, 44, 50, 52, 178, 180, 204, 210, 216, 228, 716, 722, 728, 740, 818, 820, 844, 866, 868, 872, 914, 920, 932, 2866, 2868, 2892, 2914, 2916, 2920, 2962, 2968, 2980, 3276, 3282, 3288, 3300, 3378, 3380, 3468, 3474, 3480, 3490, 3492, 3504, 3528, 3660]

cp's OEIS Frontend

A080981 A014486-encodings of the trees whose interior zigzag-tree (Stanley's c) is branch-reduced (in the sense defined by Donaghey).

Table of values

List of values