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A138525 as a simple table

na(n)
01
13
227
3747
441067
53669867
6482671467
787660962667
821010450850667
96423384156578667
102439325392333218667
111126440053169940898667
12621574841786409380258667
13403913035968392044964258667

[1,3,27,747,41067,3669867,482671467,87660962667,
 21010450850667,6423384156578667,
 2439325392333218667,1126440053169940898667,
 621574841786409380258667,
 403913035968392044964258667]