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A228224 as a simple table

n a(n)
1 511
2 19171
3 242461
4 1688101
5 8006491
6 29066311
7 86929081
8 224817481
9 519682231
10 1098972331
11 2162213461
12 4007999341
13 7067000851
14 11941597711
15 19452737521
16 30694626961
17 47097859951
18 70501587571
19 103235334541
20 148211067061

[511,19171,242461,1688101,8006491,29066311,
 86929081,224817481,519682231,1098972331,
 2162213461,4007999341,7067000851,11941597711,
 19452737521,30694626961,47097859951,70501587571,
 103235334541,148211067061]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)