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A027118 as a simple table

na(n)
01
12
23
37
416
539
698
7252
8659
91747
104682
1112662
1234505
1394644
14261069
15723707
162014952
175631875
1815796210
1944444302
20125405217
21354765866
221006003375
232858939669
248141135778
2523225997936
2666376634429
27190000938785

[1,2,3,7,16,39,98,252,659,1747,4682,12662,34505,
 94644,261069,723707,2014952,5631875,15796210,
 44444302,125405217,354765866,1006003375,
 2858939669,8141135778,23225997936,66376634429,
 190000938785]