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A216626 as a triangular array

1
33
474
712127
61510156
121828281812
828242724288
1524304242302415
133132601660323113
18396056727256603918
1242285148704851284212
2836

A216626 as a square array

134761281513181228
37121518282431394236
41210282430326028
715282742605651
6182442167248
122830607270
824325648
15316051
133928
1842
12
134761281513181228
37121518282431394236
41210282430326028
715282742605651
6182442167248
122830607270
824325648
15316051
133928
1842
12