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A128758 as a simple table

na(n)
01
14
214
336
489
5196
6416
7828
81600
92972
105390
119504
1216436
1327828
1446364
1575960
16122772
17195728
18308430
19480456
20740921
211131364
221712348
232569500
243825641
255652872
268294612
2712089016
2817508609
2925204428
3036076540
3151355368
3272725909

[1,4,14,36,89,196,416,828,1600,2972,5390,9504,
 16436,27828,46364,75960,122772,195728,308430,
 480456,740921,1131364,1712348,2569500,3825641,
 5652872,8294612,12089016,17508609,25204428,
 36076540,51355368,72725909]