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A250285 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 8
10 44
11 164
12 494
13 1286
14 3002
15 6434
16 12869
17 194464
18 1925200
19 12394480
20 62224336
21 261667792
22 959874928
23 3154435120
24 9464040829
25 210311057024
26 3007458113984
27 27514536974144
28 193384741516784
29 1123028832217904
30 5617639404687824

[1,1,1,1,1,1,1,1,1,8,44,164,494,1286,3002,6434,
 12869,194464,1925200,12394480,62224336,261667792,
 959874928,3154435120,9464040829,210311057024,
 3007458113984,27514536974144,193384741516784,
 1123028832217904,5617639404687824]

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Last modified July 14 09:01 EDT 2024. Contains 374318 sequences. (Running on oeis4.)