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A209582 as a triangular array

1
23
267
3101715
316394631
4216912911963
430112260386296127
5361724928901082713255
5482428281898283228971674511
6553421318352266828511749538511023
670

A209582 as a square array

12233445566
361016213036485570
7173969112172242342
15461292604928281318
3111938689018983522
63296108228326682
12771328978511
25516747495
5113851
1023
12233445566
361016213036485570
7173969112172242342
15461292604928281318
3111938689018983522
63296108228326682
12771328978511
25516747495
5113851
1023