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A189504 as a simple table

n a(n)
1 0
2 7384
3 152358
4 1350418
5 7250142
6 29261538
7 93830584
8 260746932
9 640437244
10 1434950142
11 2985187290
12 5855131794
13 10847051914
14 19293465580
15 33015900952
16 54518107984
17 87418596734
18 136633143572
19 208413957692
20 311534423834

[0,7384,152358,1350418,7250142,29261538,93830584,
 260746932,640437244,1434950142,2985187290,
 5855131794,10847051914,19293465580,33015900952,
 54518107984,87418596734,136633143572,208413957692,
 311534423834]

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Last modified April 23 00:33 EDT 2024. Contains 371906 sequences. (Running on oeis4.)