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A287042 as a simple table

na(n)
37
4234
55390
6113126
72371845
851607716
91185214452
1028937407212
11752882360571
1220870819679150
13615571317411570
1419277508315195090
15639508594242409065
1622419339547774938120
17828617069130919072200
1832214653364317860157400
191314580813236368248272975
2056192348229571762396268850

[7,234,5390,113126,2371845,51607716,1185214452,
 28937407212,752882360571,20870819679150,
 615571317411570,19277508315195090,
 639508594242409065,22419339547774938120,
 828617069130919072200,32214653364317860157400,
 1314580813236368248272975,
 56192348229571762396268850]