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A033504 as a simple table

n a(n)
0 1
1 10
2 66
3 372
4 1930
5 9516
6 45332
7 210664
8 960858
9 4319100
10 19188796
11 84438360
12 368603716
13 1598231992
14 6889682280
15 29551095248
16 126193235194
17 536799072924
18 2275560109868
19 9616650989560
20 40527780684972
21 170368957887656

[1,10,66,372,1930,9516,45332,210664,960858,
 4319100,19188796,84438360,368603716,1598231992,
 6889682280,29551095248,126193235194,536799072924,
 2275560109868,9616650989560,40527780684972,
 170368957887656]

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Last modified April 16 16:44 EDT 2021. Contains 343050 sequences. (Running on oeis4.)