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A248856 as a simple table

na(n)
11
2853
391182
4926756
59374193
694535668
7951496285
89563906973
9963706466000
109665127969899
1196891533076641
12970995550452370
139728143518403637
1497441817594570206
15975843062833251485
169771174122943813068

[1,853,91182,926756,9374193,94535668,951496285,
 9563906973,963706466000,9665127969899,
 96891533076641,970995550452370,9728143518403637,
 97441817594570206,975843062833251485,
 9771174122943813068]