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A176856 as a simple table

na(n)
01
12
22
35
414
547
6164
7590
82156
97985
1029900
11113054
12431132
131656641
146408776
1524942227
1697596698
17383740409
181515431648
196008307998
2023907184340
2195439446687
22382146649616
231534364232089
246176307411014
2524919973908607

[1,2,2,5,14,47,164,590,2156,7985,29900,113054,
 431132,1656641,6408776,24942227,97596698,
 383740409,1515431648,6008307998,23907184340,
 95439446687,382146649616,1534364232089,
 6176307411014,24919973908607]