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A205484 as a simple table

na(n)
01
11
22
33
47
514
630
765
8132
9280
10632
111439
123299
137569
1417450
1540313
1692889
17212801
18483590
191092649
202467078
215581232
2212690828
2329123728
2467648617
25159370347
26381080620
27923803158
282264970530
295599185887
3013909201590
3134612152762
3286049014990

[1,1,2,3,7,14,30,65,132,280,632,1439,3299,7569,
 17450,40313,92889,212801,483590,1092649,2467078,
 5581232,12690828,29123728,67648617,159370347,
 381080620,923803158,2264970530,5599185887,
 13909201590,34612152762,86049014990]