A309050 - cp's OEIS frontend

A309050 Number of (binary) max-heaps on 2n elements from the set {0,1} containing n 0's and n 1's.

n	a(n)
0	1
1	1
2	2
3	4
4	7
5	13
6	27
7	54
8	109
9	219
10	460
11	962
12	1986
13	4044
14	8516
15	18058
16	37801
17	77701
18	164300
19	350336
20	738945
21	1530521
22	3250659
23	6962248
24	14735660
25	30625898
26	65206770
27	140040538
28	297712980
29	622136512
30	1328716192
31	2861101350
32	6086238317
33	12716525621
34	27172910036

[1, 1, 2, 4, 7, 13, 27, 54, 109, 219, 460, 962, 1986, 4044, 8516, 18058, 37801, 77701, 164300, 350336, 738945, 1530521, 3250659, 6962248, 14735660, 30625898, 65206770, 140040538, 297712980, 622136512, 1328716192, 2861101350, 6086238317, 12716525621, 27172910036]

cp's OEIS Frontend

A309050 Number of (binary) max-heaps on 2n elements from the set {0,1} containing n 0's and n 1's.

Table of values

List of values