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A021544 as a simple table

na(n)
01
119
2242
32606
425659
5239313
62153884
718910012
8163042517
91386706607
1011670306726
1197399296618
12807453069775
136657437827501
1454644202679568
15446846543376824
163642622865166633
1729615936742107595

[1,19,242,2606,25659,239313,2153884,18910012,
 163042517,1386706607,11670306726,97399296618,
 807453069775,6657437827501,54644202679568,
 446846543376824,3642622865166633,
 29615936742107595]