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A306357 as a simple table

na(n)
00
11
23
36
410
520
638
770
8130
9240
10442
11814
121498
132756
145070
159326
1617154
1731552
1858034
19106742
20196330
21361108
22664182
231221622
242246914
254132720
267601258
2713980894
2825714874
2947297028
3086992798
31160004702
32294294530
33541292032
34995591266
351831177830

[0,1,3,6,10,20,38,70,130,240,442,814,1498,2756,
 5070,9326,17154,31552,58034,106742,196330,361108,
 664182,1221622,2246914,4132720,7601258,13980894,
 25714874,47297028,86992798,160004702,294294530,
 541292032,995591266,1831177830]