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A200572 as a simple table

na(n)
12
26
310
422
552
6114
7260
8600
91374
103162
117290
1216796
1338722
1489296
15205916
16474882
171095218
182525902
195825564
2013435770
2130987588
2271468368
23164831598
24380160714
25876787090
262022186212
274663888698
2810756605360
2924808602932
3057217567106

[2,6,10,22,52,114,260,600,1374,3162,7290,16796,
 38722,89296,205916,474882,1095218,2525902,5825564,
 13435770,30987588,71468368,164831598,380160714,
 876787090,2022186212,4663888698,10756605360,
 24808602932,57217567106]