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A308775 as a simple table

na(n)
00
10
20
30
44
55
612
721
840
954
1090
11121
12180
13234
14322
15405
16544
17663
18846
191026
201280
211512
221848
232162
242592
253000
263536
274050
284732
295365
306180
316975
327968
338910
3410098
3511235
3612636
3713986
3815618
3917199
4019120
4120951
4223142
4325284
4427808
4530240
4633120

[0,0,0,0,4,5,12,21,40,54,90,121,180,234,322,405,
 544,663,846,1026,1280,1512,1848,2162,2592,3000,
 3536,4050,4732,5365,6180,6975,7968,8910,10098,
 11235,12636,13986,15618,17199,19120,20951,23142,
 25284,27808,30240,33120]