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A067334 as a simple table

na(n)
08
121
250
3105
4210
5404
6758
71395
82530
94535
108052
1114184
1224820
1343185
1474770
15128901
16221382
17378940
18646690
191100655
201868738
213165811
225352360
239032400
2415216800
2525595469
2642990578
2772110625

[8,21,50,105,210,404,758,1395,2530,4535,8052,
 14184,24820,43185,74770,128901,221382,378940,
 646690,1100655,1868738,3165811,5352360,9032400,
 15216800,25595469,42990578,72110625]