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A076099 as a triangular array

1
28
3418
5679261000
9101112329422500
131415161713456677968449745006250
19202122232411022732501667945875061568782593750
25262728293031

A076099 as a square array

12359131925
84610142026
18711152127
926100012162228
329422500172329
134566779684497450062502430
1102273250166794587506156878259375031
12359131925
84610142026
18711152127
926100012162228
329422500172329
134566779684497450062502430
1102273250166794587506156878259375031