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A143865 as a triangular array

1
31
534
751212
97203636
1192860108108
13113684180324324
151344108252540972972
171552132324756162029162916

A143865 as a square array

1357911131517
13579111315
4122028364452
12366084108132
36108180252324
108324540756
3249721620
9722916
2916
1357911131517
13579111315
4122028364452
12366084108132
36108180252324
108324540756
3249721620
9722916
2916