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A005387 as a simple table

n a(n)
0 1
1 2
2 5
3 16
4 62
5 276
6 1377
7 7596
8 45789
9 298626
10 2090910
11 15621640
12 123897413
13 1038535174
14 9165475893
15 84886111212
16 822648571314
17 8321077557124
18 87648445601429
19 959450073912136
20 10894692556576613
21 128114221270929646

[1,2,5,16,62,276,1377,7596,45789,298626,2090910,
 15621640,123897413,1038535174,9165475893,
 84886111212,822648571314,8321077557124,
 87648445601429,959450073912136,10894692556576613,
 128114221270929646]

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Last modified May 11 03:49 EDT 2021. Contains 343784 sequences. (Running on oeis4.)