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A163933 as a simple table

na(n)
311
4105
5510
61750
74830
811466
924360
1047520
1186625
12149435
13246246
14390390
15598780
16892500
171297440
181844976
192572695
203525165
214754750
226322470
238298906
2410765150
2513813800
2617550000
2722092525
2827574911
2934146630
3041974310

[11,105,510,1750,4830,11466,24360,47520,86625,
 149435,246246,390390,598780,892500,1297440,
 1844976,2572695,3525165,4754750,6322470,8298906,
 10765150,13813800,17550000,22092525,27574911,
 34146630,41974310]