A056381 - OEIS

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A056381 as a simple table

n	a(n)
1	2
2	2
3	4
4	8
5	10
6	32
7	26
8	84
9	98
10	266
11	214
12	1200
13	702
14	2770
15	4328
16	8832
17	8230
18	44086
19	29202
20	135744
21	176720
22	419654
23	381490
24	2149068
25	1678244
26	5593294
27	7461064
28	22550600
29	19175158
30	134386396
31	71585134

[2,2,4,8,10,32,26,84,98,266,214,1200,702,2770, 4328,8832,8230,44086,29202,135744,176720,419654, 381490,2149068,1678244,5593294,7461064,22550600, 19175158,134386396,71585134]