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A218073 as a simple table

n a(n)
0 0
1 1
2 2
3 9
4 12
5 50
6 60
7 245
8 280
9 1134
10 1260
11 5082
12 5544
13 22308
14 24024
15 96525
16 102960
17 413270
18 437580
19 1755182
20 1847560
21 7407036
22 7759752
23 31097794
24 32449872
25 130007500
26 135207800
27 541574100
28 561632400
29 2249204040
30 2326762800
31 9316746045
32 9617286240
33 38504502630

[0,1,2,9,12,50,60,245,280,1134,1260,5082,5544,
 22308,24024,96525,102960,413270,437580,1755182,
 1847560,7407036,7759752,31097794,32449872,
 130007500,135207800,541574100,561632400,
 2249204040,2326762800,9316746045,9617286240,
 38504502630]

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Last modified August 19 15:59 EDT 2024. Contains 375310 sequences. (Running on oeis4.)