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A262543 as a simple table

na(n)
10
22
34
410
528
684
7264
8858
92860
109724
1133592
12117572
13416024
141485800
155348880
1619389690
1770715340
18259289580
19955277400
203534526380
2113128240840
2248932534040
23182965127280
24686119227300
252579808294648
269723892802904
2736734706144304
28139067101832008
29527495903500720

[0,2,4,10,28,84,264,858,2860,9724,33592,117572,
 416024,1485800,5348880,19389690,70715340,
 259289580,955277400,3534526380,13128240840,
 48932534040,182965127280,686119227300,
 2579808294648,9723892802904,36734706144304,
 139067101832008,527495903500720]