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A006000 as a simple table

na(n)
01
14
212
328
455
596
6154
7232
8333
9460
10616
11804
121027
131288
141590
151936
162329
172772
183268
193820
204431
215104
225842
236648
247525
258476
269504
2710612
2811803
2913080
3014446
3115904
3217457
3319108
3420860
3522716
3624679
3726752
3828938
3931240
4033661
4136204
4238872
4341668
4444595
4547656
4650854
4754192

[1,4,12,28,55,96,154,232,333,460,616,804,1027,
 1288,1590,1936,2329,2772,3268,3820,4431,5104,5842,
 6648,7525,8476,9504,10612,11803,13080,14446,15904,
 17457,19108,20860,22716,24679,26752,28938,31240,
 33661,36204,38872,41668,44595,47656,50854,54192]