A008301 - cp's OEIS frontend

A008301 Poupard's triangle: triangle of numbers arising in enumeration of binary trees.

n	a(n)
0	1
1	1
2	2
3	1
4	4
5	8
6	10
7	8
8	4
9	34
10	68
11	94
12	104
13	94
14	68
15	34
16	496
17	992
18	1420
19	1712
20	1816
21	1712
22	1420
23	992
24	496
25	11056
26	22112
27	32176
28	40256
29	45496
30	47312
31	45496
32	40256
33	32176
34	22112
35	11056
36	349504
37	699008
38	1026400
39	1309568
40	1528384
41	1666688
42	1714000

[1, 1, 2, 1, 4, 8, 10, 8, 4, 34, 68, 94, 104, 94, 68, 34, 496, 992, 1420, 1712, 1816, 1712, 1420, 992, 496, 11056, 22112, 32176, 40256, 45496, 47312, 45496, 40256, 32176, 22112, 11056, 349504, 699008, 1026400, 1309568, 1528384, 1666688, 1714000]

cp's OEIS Frontend

A008301 Poupard's triangle: triangle of numbers arising in enumeration of binary trees.

Table of values

List of values