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A128268 as a simple table

na(n)
01
11
22
312
42
590
62
7770
82
95460
102
1127870
122
1386268
142
15144
162
17120632
182
194584054
202
211568502
222
23147057998
242
251073923452
262
271324614852
282
2974007713886
302
31226457341710
322
33735893320
342
352038112823132
362
3786649033201030
382
394415363800

[1,1,2,12,2,90,2,770,2,5460,2,27870,2,86268,2,144,
 2,120632,2,4584054,2,1568502,2,147057998,2,
 1073923452,2,1324614852,2,74007713886,2,
 226457341710,2,735893320,2,2038112823132,2,
 86649033201030,2,4415363800]