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A253735 as a simple table

n a(n)
1 2212
2 4100
3 7216
4 17608
5 44332
6 102616
7 243796
8 599920
9 1495128
10 3650772
11 8912248
12 21950456
13 54561592
14 133987004
15 330069048
16 813259848
17 2014417284
18 4957347368
19 12243687824
20 30160503772
21 74615015336
22 183748891424
23 454096916844

[2212,4100,7216,17608,44332,102616,243796,599920,
 1495128,3650772,8912248,21950456,54561592,
 133987004,330069048,813259848,2014417284,
 4957347368,12243687824,30160503772,74615015336,
 183748891424,454096916844]

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Last modified December 7 06:09 EST 2021. Contains 349567 sequences. (Running on oeis4.)