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A193985 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 28
11 4842
12 104448
13 1127473
14 8147469
15 44813100
16 201616740
17 776296572
18 2638333236
19 8091512680
20 22767562704
21 59525327634
22 146063694310
23 339101167392
24 749761416480
25 1587403977944
26 3233026755180
27 6358705091310

[0,0,0,0,0,0,0,0,0,28,4842,104448,1127473,8147469,
 44813100,201616740,776296572,2638333236,
 8091512680,22767562704,59525327634,146063694310,
 339101167392,749761416480,1587403977944,
 3233026755180,6358705091310]

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Last modified September 2 08:40 EDT 2024. Contains 375613 sequences. (Running on oeis4.)