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A039809 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 12
6 32
7 83
8 223
9 594
10 1600
11 4297
12 11589
13 31216
14 84212
15 227091
16 612712
17 1652913
18 4459962
19 12033405
20 32469682
21 87611105
22 236402465
23 637884103
24 1721218224
25 4644392797
26 12532091909
27 33815653370
28 91245738923

[1,1,2,5,12,32,83,223,594,1600,4297,11589,31216,
 84212,227091,612712,1652913,4459962,12033405,
 32469682,87611105,236402465,637884103,1721218224,
 4644392797,12532091909,33815653370,91245738923]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)