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A245807 as a simple table

na(n)
02
117
2149
31343
412401
5116807
61117649
710823543
8105764801
91040353607
1010282475249
11101977326743
121013841287201
1310096889010407
14100678223072849
151004747561509943
1610033232930569601
17100232630513987207
181001628413597910449
1910011398895185373143

[2,17,149,1343,12401,116807,1117649,10823543,
 105764801,1040353607,10282475249,101977326743,
 1013841287201,10096889010407,100678223072849,
 1004747561509943,10033232930569601,
 100232630513987207,1001628413597910449,
 10011398895185373143]