A220499 - cp's OEIS frontend

A220499 Number of line segments in an H tree with n levels that have no correspondence with the toothpicks of the toothpick structure of A139250 after n-th stage.

n	a(n)
0	0
1	0
2	0
3	0
4	4
5	16
6	40
7	92
8	212
9	464
10	968
11	1980
12	4016
13	8096
14	16260
15	32612
16	65364
17	130896
18	261960
19	524092
20	1048368
21	2096928
22	4194052
23	8388324
24	16776912
25	33554112
26	67108516
27	134217344
28	268435032
29	536870428
30	1073741252
31	2147482996
32	4294966612
33	8589933904

[0, 0, 0, 0, 4, 16, 40, 92, 212, 464, 968, 1980, 4016, 8096, 16260, 32612, 65364, 130896, 261960, 524092, 1048368, 2096928, 4194052, 8388324, 16776912, 33554112, 67108516, 134217344, 268435032, 536870428, 1073741252, 2147482996, 4294966612, 8589933904]

cp's OEIS Frontend

A220499 Number of line segments in an H tree with n levels that have no correspondence with the toothpicks of the toothpick structure of A139250 after n-th stage.

Table of values

List of values