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A087134 as a simple table

na(n)
11
22
36
420
542
684
7156
8312
9684
101020
111380
121860
133480
143720
154920
167320
1710980
1814640
1916920
2021960
2126280
2234920
2345720
2459640
2569840
2689880
27106680
28125160
29145320
30177240
31213360
32244440
33269640
34354480
35320040
36375480
37435960
38456120
39531720
40647640

[1,2,6,20,42,84,156,312,684,1020,1380,1860,3480,
 3720,4920,7320,10980,14640,16920,21960,26280,
 34920,45720,59640,69840,89880,106680,125160,
 145320,177240,213360,244440,269640,354480,320040,
 375480,435960,456120,531720,647640]