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A193464 as a simple table

n a(n)
1 0
2 2
3 7
4 30
5 146
6 852
7 5823
8 45740
9 405844
10 4012710
11 43733975
12 520795002
13 6726601062
14 93651619880
15 1398047697151
16 22275111534552
17 377278848390248
18 6768744159489930
19 128228860181918439
20 2557808459478878870
21 53585748788874537850
22 1176328664895760953852

[0,2,7,30,146,852,5823,45740,405844,4012710,
 43733975,520795002,6726601062,93651619880,
 1398047697151,22275111534552,377278848390248,
 6768744159489930,128228860181918439,
 2557808459478878870,53585748788874537850,
 1176328664895760953852]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)