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A132831 as a simple table

na(n)
01
12
23
36
411
522
644
788
8175
9350
10700
111400
122799
135598
1411195
1522390
1644779
1789558
18179115
19358230
20716459
211432918
222865835
235731670
2411463340
2522926680
2645853360
2791706720
28183413439
29366826878
30733653755
311467307510
322934615019

[1,2,3,6,11,22,44,88,175,350,700,1400,2799,5598,
 11195,22390,44779,89558,179115,358230,716459,
 1432918,2865835,5731670,11463340,22926680,
 45853360,91706720,183413439,366826878,733653755,
 1467307510,2934615019]