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A019240 as a simple table

na(n)
30
41
52
68
78
817
936
1092
11150
12450
13994
142538
156376
1616262
1741688
18106612
19276186
20715846
211842938
224781414
2312339054
2432042540
2583067330
26215979914
27562923018
281469848660
293846114754
3010088441010
3126508267458

[0,1,2,8,8,17,36,92,150,450,994,2538,6376,16262,
 41688,106612,276186,715846,1842938,4781414,
 12339054,32042540,83067330,215979914,562923018,
 1469848660,3846114754,10088441010,26508267458]