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A075118 as a simple table

n a(n)
0 2
1 1
2 7
3 10
4 31
5 61
6 154
7 337
8 799
9 1810
10 4207
11 9637
12 22258
13 51169
14 117943
15 271450
16 625279
17 1439629
18 3315466
19 7634353
20 17580751
21 40483810
22 93226063
23 214677493
24 494355682
25 1138388161
26 2621455207
27 6036619690
28 13900985311
29 32010844381
30 73713800314
31 169746333457

[2,1,7,10,31,61,154,337,799,1810,4207,9637,22258,
 51169,117943,271450,625279,1439629,3315466,
 7634353,17580751,40483810,93226063,214677493,
 494355682,1138388161,2621455207,6036619690,
 13900985311,32010844381,73713800314,169746333457]

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Last modified June 6 01:16 EDT 2020. Contains 334858 sequences. (Running on oeis4.)