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A250135 as a simple table

n a(n)
1 64
2 204
3 632
4 1959
5 5696
6 16104
7 45232
8 124249
9 335328
10 897523
11 2377452
12 6233295
13 16229424
14 41987965
15 107948004
16 276101588
17 703049528
18 1782693579
19 4503485124
20 11339512465
21 28466148864
22 71263715430
23 177963467480
24 443410709998

[64,204,632,1959,5696,16104,45232,124249,335328,
 897523,2377452,6233295,16229424,41987965,
 107948004,276101588,703049528,1782693579,
 4503485124,11339512465,28466148864,71263715430,
 177963467480,443410709998]

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Last modified August 25 16:17 EDT 2019. Contains 326324 sequences. (Running on oeis4.)