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A252203 as a simple table

n a(n)
1 2680
2 4743
3 9312
4 19794
5 51024
6 125554
7 278710
8 763726
9 1944090
10 4393122
11 12184346
12 31155178
13 70732458
14 196510762
15 502312306
16 1143167546
17 3175587782
18 8108392378
19 18490987722
20 51342152722
21 130937041938
22 299194452074

[2680,4743,9312,19794,51024,125554,278710,763726,
 1944090,4393122,12184346,31155178,70732458,
 196510762,502312306,1143167546,3175587782,
 8108392378,18490987722,51342152722,130937041938,
 299194452074]

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Last modified September 22 17:39 EDT 2021. Contains 347607 sequences. (Running on oeis4.)