A147069 - OEIS

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A147069 as a simple table

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	13
12	13
13	65
14	65
15	297
16	297
17	2247
18	2247
19	24427
20	24427
21	296303
22	296303
23	6915839
24	6915839
25	203810183
26	203810183

[1,1,1,1,1,1,1,1,1,1,13,13,65,65,297,297,2247, 2247,24427,24427,296303,296303,6915839,6915839, 203810183,203810183]