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A069621 as a simple table

na(n)
19
297
3197
41973
531973
6319733
73319733
8331973311
96331973311
10633197331131
115633197331131
12563319733113127
136563319733113127
1465633197331131279
153465633197331131279
16346563319733113127933
1718346563319733113127933

[9,97,197,1973,31973,319733,3319733,331973311,
 6331973311,633197331131,5633197331131,
 563319733113127,6563319733113127,
 65633197331131279,3465633197331131279,
 346563319733113127933,18346563319733113127933]