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A293608 as a simple table

na(n)
00
150
2390
31680
45320
513860
631500
764680
8122760
9218790
10370370
11600600
12939120
131423240
142099160
153023280
164263600
175901210
188031870
1910767680
2014238840
2118595500
2224009700
2330677400
2438820600
2548689550
2660565050
2774760840
2891626080
29111547920
30134954160

[0,50,390,1680,5320,13860,31500,64680,122760,
 218790,370370,600600,939120,1423240,2099160,
 3023280,4263600,5901210,8031870,10767680,14238840,
 18595500,24009700,30677400,38820600,48689550,
 60565050,74760840,91626080,111547920,134954160]