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A327994 as a simple table

na(n)
01
14
222
3157
41342
512694
6126601
71301353
813647622
9145280776
101564974682
1117022150688
12186647326849
132060538384454
1422880172406939
15255336518921572
162861956399934038
1732201882791307904
18363561893114484868
194117138703073839926
2046751784944876067562

[1,4,22,157,1342,12694,126601,1301353,13647622,
 145280776,1564974682,17022150688,186647326849,
 2060538384454,22880172406939,255336518921572,
 2861956399934038,32201882791307904,
 363561893114484868,4117138703073839926,
 46751784944876067562]