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A219622 as a simple table

na(n)
16
224
3130
4566
52134
67259
722715
866250
9181791
10472662
111171147
122778770
136339690
1413957189
1529741892
1661507243
17123727812
18242584792
19464390356
20869376931
211593851835
222865176320
235056094746
248767828033
2514955331206

[6,24,130,566,2134,7259,22715,66250,181791,472662,
 1171147,2778770,6339690,13957189,29741892,
 61507243,123727812,242584792,464390356,869376931,
 1593851835,2865176320,5056094746,8767828033,
 14955331206]