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A209559 as a triangular array

1
11
321
5831
9171541
1538392451
2576104743561
411492422291254871
672825436074401956381
1095241159153113087692878091
17795724013631366025331253404

A209559 as a square array

1135915254167109177
128173876149282524957
13153910424254311592401
14247422960715313631
153512544013083660
16481957692533
17632871253
1880404
19
1
1135915254167109177
128173876149282524957
13153910424254311592401
14247422960715313631
153512544013083660
16481957692533
17632871253
1880404
19
1