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A214386 as a simple table

na(n)
116
2890
311048
474260
5350232
61305392
74107248
811363940
928412824
1065439858
11140806952
12286079040
13553378176
141025850192
151832212128
163166557496
175314833216
188689668506
1913875533864
2021686539292
2133239546824
2250045674976

[16,890,11048,74260,350232,1305392,4107248,
 11363940,28412824,65439858,140806952,286079040,
 553378176,1025850192,1832212128,3166557496,
 5314833216,8689668506,13875533864,21686539292,
 33239546824,50045674976]