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A075887 as a simple table

n a(n)
0 1
1 2
2 5
3 16
4 45
5 171
6 421
7 1968
8 4553
9 19225
10 57261
11 226854
12 496309
13 3136420
14 6764563
15 24850336
16 84877201
17 380461599
18 805949533
19 4411165990
20 9288196621
21 48275465722
22 154143694937
23 527401107276
24 1100708161081
25 8151403215501

[1,2,5,16,45,171,421,1968,4553,19225,57261,226854,
 496309,3136420,6764563,24850336,84877201,
 380461599,805949533,4411165990,9288196621,
 48275465722,154143694937,527401107276,
 1100708161081,8151403215501]

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Last modified September 28 11:24 EDT 2022. Contains 357070 sequences. (Running on oeis4.)