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A374640 as a simple table

na(n)
00
10
20
30
41
53
67
718
843
996
10211
11463
12992
132112
144462
159347
1619495
1740480
1883690
19172478
20354455
21726538
221486024
233033644
246182389
2512580486

[0,0,0,0,1,3,7,18,43,96,211,463,992,2112,4462,
 9347,19495,40480,83690,172478,354455,726538,
 1486024,3033644,6182389,12580486]