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A259351 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 7
6 18
7 35
8 87
9 206
10 527
11 1337
12 3524
13 9262
14 24772
15 66402
16 179589
17 487435
18 1330708
19 3645754
20 10031143
21 27691894
22 76708835
23 213122892
24 593851624
25 1659104995
26 4646951873
27 13046181167
28 36708619646
29 103505545079
30 292430771955
31 827749791118
32 2347201206583
33 6667102499129
34 18968089092814

[1,1,2,4,7,18,35,87,206,527,1337,3524,9262,24772,
 66402,179589,487435,1330708,3645754,10031143,
 27691894,76708835,213122892,593851624,1659104995,
 4646951873,13046181167,36708619646,103505545079,
 292430771955,827749791118,2347201206583,
 6667102499129,18968089092814]

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Last modified May 13 00:11 EDT 2021. Contains 343829 sequences. (Running on oeis4.)