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A138044 as a simple table

na(n)
181517
2202129
36091109
419180181
568285293
692525533
7120391409
8145408433
9168775793
10205828853
11225272353
12261380461
13300589661
145598401009
156458121037
167059921217
177999601249
188536123613
1919521082117
2022814351453

[81517,202129,6091109,19180181,68285293,92525533,
 120391409,145408433,168775793,205828853,225272353,
 261380461,300589661,5598401009,6458121037,
 7059921217,7999601249,8536123613,19521082117,
 22814351453]