A048556 - OEIS

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A048556 as a simple table

n	a(n)
0	19
1	191
2	1913
3	19139
4	1913903
5	19139039
6	191390393
7	19139039303
8	1913903930321
9	191390393032123
10	1913903930321233
11	191390393032123361
12	19139039303212336171
13	1913903930321233617139
14	191390393032123361713943

[19,191,1913,19139,1913903,19139039,191390393, 19139039303,1913903930321,191390393032123, 1913903930321233,191390393032123361, 19139039303212336171,1913903930321233617139, 191390393032123361713943]