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A203874 as a simple table

na(n)
14375
2500095
357177415
46542729803
5748675224487
685671438703075
79803443695486967
81121815509393271267
9128370200942208070567
1014689499750476722504019
111680930631372929899355415

[4375,500095,57177415,6542729803,748675224487,
 85671438703075,9803443695486967,
 1121815509393271267,128370200942208070567,
 14689499750476722504019,1680930631372929899355415]