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A067780 as a simple table

na(n)
12
23
312
415
535
656
778
8140
9190
10357
11630
12812
13910
141045
151672
162214
172580
183339
194180
204522
214674
225049
235278
245544
258008
2610659
2711160
2812441
2916065
3016120
3116770
3218630
3318810
3424244
3524871
3624969
3725070
3825758
3927000
4027170
4128896

[2,3,12,15,35,56,78,140,190,357,630,812,910,1045,
 1672,2214,2580,3339,4180,4522,4674,5049,5278,5544,
 8008,10659,11160,12441,16065,16120,16770,18630,
 18810,24244,24871,24969,25070,25758,27000,27170,
 28896]