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A134494 as a simple table

na(n)
01
121
2377
36765
4121393
52178309
639088169
7701408733
812586269025
9225851433717
104052739537881
1172723460248141
121304969544928657
1323416728348467685
14420196140727489673
157540113804746346429
16135301852344706746049
172427893228399975082453

[1,21,377,6765,121393,2178309,39088169,701408733,
 12586269025,225851433717,4052739537881,
 72723460248141,1304969544928657,23416728348467685,
 420196140727489673,7540113804746346429,
 135301852344706746049,2427893228399975082453]