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A299303 as a simple table

n a(n)
1 2
2 52
3 223
4 1024
5 5360
6 28374
7 144040
8 743640
9 3857242
10 19925599
11 102977350
12 532709362
13 2754912665
14 14246433006
15 73680910336
16 381067786735
17 1970816457786
18 10192855468940
19 52716573704127
20 272645676769182
21 1410103205704342

[2,52,223,1024,5360,28374,144040,743640,3857242,
 19925599,102977350,532709362,2754912665,
 14246433006,73680910336,381067786735,
 1970816457786,10192855468940,52716573704127,
 272645676769182,1410103205704342]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)