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A302900 as a simple table

na(n)
81385
921682
10350240
114945368
1270145634
13992272308
1414322115212
15211595659320
163216832016019
1750412205403030
18815486339550108
1913622914005990480
20235041722344009380
214187522527966916520
2277010173788311008040
231461190162226869057872
2428588437379997078589117

[1385,21682,350240,4945368,70145634,992272308,
 14322115212,211595659320,3216832016019,
 50412205403030,815486339550108,13622914005990480,
 235041722344009380,4187522527966916520,
 77010173788311008040,1461190162226869057872,
 28588437379997078589117]