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A236921 as a simple table

n a(n)
0 0
1 0
2 1
3 2
4 10
5 32
6 232
7 992
8 10096
9 53408
10 727360
11 4569536
12 79501696
13 578101376
14 12337163008
15 101945840384
16 2582987522560
17 23913303638528
18 701604503968768
19 7194776722623488
20 239847438803052544
21 2698941227297687552
22 100744097104231198720
23 1234263151585971974144
24 50993324690816940089344

[0,0,1,2,10,32,232,992,10096,53408,727360,4569536,
 79501696,578101376,12337163008,101945840384,
 2582987522560,23913303638528,701604503968768,
 7194776722623488,239847438803052544,
 2698941227297687552,100744097104231198720,
 1234263151585971974144,50993324690816940089344]

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Last modified April 19 03:46 EDT 2024. Contains 371782 sequences. (Running on oeis4.)