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A288541 as a simple table

n a(n)
2 1
3 0
4 0
5 3
6 13
7 30
8 61
9 172
10 619
11 2241
12 7736
13 25786
14 85315
15 286653
16 986444
17 3465777
18 12342188
19 44275218
20 159463056
21 576136367
22 2089063623
23 7607265038
24 27829092314
25 102263653872
26 377340952123
27 1397457667346
28 5192248524833
29 19348310336881
30 72292940817636

[1,0,0,3,13,30,61,172,619,2241,7736,25786,85315,
 286653,986444,3465777,12342188,44275218,159463056,
 576136367,2089063623,7607265038,27829092314,
 102263653872,377340952123,1397457667346,
 5192248524833,19348310336881,72292940817636]

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Last modified May 18 19:36 EDT 2024. Contains 372666 sequences. (Running on oeis4.)