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A120049 as a simple table

na(n)
00
10
20
37
4105
51418
617572
7207207
82367507
926483012
10291646797
113173159326
1234192782745
13365561221293
143882841742380

[0,0,0,7,105,1418,17572,207207,2367507,26483012,
 291646797,3173159326,34192782745,365561221293,
 3882841742380]