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A038078 as a simple table

na(n)
01
12
21
32
46
520
669
7270
81026
94120
1016794
1170230
12298306
131288912
145642559
1525007756
16111998920
17506348902
182308338456
1910602357346
2049026021552
21228085486580
221067020210339
235016982766202
2423698640081356
25112422573858292
26535414026652828
272559204304109868

[1,2,1,2,6,20,69,270,1026,4120,16794,70230,298306,
 1288912,5642559,25007756,111998920,506348902,
 2308338456,10602357346,49026021552,228085486580,
 1067020210339,5016982766202,23698640081356,
 112422573858292,535414026652828,2559204304109868]