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A280327 as a simple table

na(n)
14
212
325
439
560
694
7133
8183
9236
10320
11415
12520
13640
14805
151007
161212
171463
181800
192144
202562
213021
223523
234135
244840
255747
266630
277701
289057
2910392
3011812
3113519
3215400
3317534
3419827
3522564
3625624
3729206
3832998
3937041
4041819
4146659
4253223
4359345
4466104
4573368
4681897
4791157
48100827
49112045

[4,12,25,39,60,94,133,183,236,320,415,520,640,805,
 1007,1212,1463,1800,2144,2562,3021,3523,4135,4840,
 5747,6630,7701,9057,10392,11812,13519,15400,17534,
 19827,22564,25624,29206,32998,37041,41819,46659,
 53223,59345,66104,73368,81897,91157,100827,112045]