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A222189 as a simple table

na(n)
14
213
336
4158
5708
64236
726412
8180070
91256914
108999762
1165225244
12477772294
133525803320
1426185264801
15195490126328
161466095545930
1711038514989344
1883401050695432
19632087998742988
204803854169636124
2136600736833265244
22279496328812771427

[4,13,36,158,708,4236,26412,180070,1256914,
 8999762,65225244,477772294,3525803320,26185264801,
 195490126328,1466095545930,11038514989344,
 83401050695432,632087998742988,4803854169636124,
 36600736833265244,279496328812771427]