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A219143 as a simple table

n a(n)
1 1
2 6
3 18
4 39
5 96
6 225
7 543
8 1293
9 3096
10 7392
11 17673
12 42228
13 100929
14 241197
15 576441
16 1377606
17 3292314
18 7868187
19 18803964
20 44939013
21 107398431
22 256668285
23 613403916
24 1465955712
25 3503443917
26 8372776200
27 20009848437
28 47820940581
29 114285841233

[1,6,18,39,96,225,543,1293,3096,7392,17673,42228,
 100929,241197,576441,1377606,3292314,7868187,
 18803964,44939013,107398431,256668285,613403916,
 1465955712,3503443917,8372776200,20009848437,
 47820940581,114285841233]

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Last modified September 16 21:28 EDT 2021. Contains 347473 sequences. (Running on oeis4.)