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A057333 as a simple table

na(n)
14
220
374
4347
51743
68385
744355
8229952
91235489
106629026
1137152645
12202017712
131142393492
146333190658

[4,20,74,347,1743,8385,44355,229952,1235489,
 6629026,37152645,202017712,1142393492,6333190658]