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A048231 as a simple table

na(n)
12
27
316
426
538
651
766
884
9105
10128
11157
12189
13223
14260
15301
16344
17389
18436
19484
20537
21593
22650
23710
24773
25838
26907
27979
281053
291128
301204
311284
321365
331448
341534
351621
361714
371808
381904
392001
402100
412200
422304
432411
442519

[2,7,16,26,38,51,66,84,105,128,157,189,223,260,
 301,344,389,436,484,537,593,650,710,773,838,907,
 979,1053,1128,1204,1284,1365,1448,1534,1621,1714,
 1808,1904,2001,2100,2200,2304,2411,2519]