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A101381 as a simple table

na(n)
00
11
230
3300
41600
55925
617346
743120
895040
9191025
10356950
11628716
121054560
131697605
142638650
153979200
165844736
178388225
1811793870
1916281100
2022108800
2129579781
2239045490
2350910960
2465640000
2583760625
26105870726
27132643980
28164836000
29203290725
30248947050

[0,1,30,300,1600,5925,17346,43120,95040,191025,
 356950,628716,1054560,1697605,2638650,3979200,
 5844736,8388225,11793870,16281100,22108800,
 29579781,39045490,50910960,65640000,83760625,
 105870726,132643980,164836000,203290725,248947050]