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A171824 as a triangular array

2
33
767
21141421
7140304071
2531327777132253
925469238168238469925
3433172482845045082817243433
1287164443048145299014523048644412871
4862124320114955225271727175225114952432048621

A171824 as a square array

237217125392534331287148621
3614401324691724644424320
7143077238828304811495
21407716845014525225
711322384509902717
25346982814522717
925172430485225
3433644411495
1287124320
48621
237217125392534331287148621
3614401324691724644424320
7143077238828304811495
21407716845014525225
711322384509902717
25346982814522717
925172430485225
3433644411495
1287124320
48621