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A229380 as a simple table

na(n)
13
28
38
422
530
622
760
8126
9126
1060
11164
12518
13956
14518
15164
16448
172138
186730
196730
202138
21448
221224
238818
2448490
2578690
2648490
278818
281224
293344
3036374
31346598
32956866
33956866
34346598
3536374
363344
379136
38150038
392486980
4011441370
4120014278
4211441370

[3,8,8,22,30,22,60,126,126,60,164,518,956,518,164,
 448,2138,6730,6730,2138,448,1224,8818,48490,78690,
 48490,8818,1224,3344,36374,346598,956866,956866,
 346598,36374,3344,9136,150038,2486980,11441370,
 20014278,11441370]