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A186574 as a triangular array

134217728
4092240922
217504333832175043
526190916401164015261909
2133643033964933509233964921336430
413031248512591406478140647885125941303124
62806428111904920748921761690820748921119049

A186574 as a square array

1342177284092221750435261909213364304130312462806428
409223383164013396498512591119049
21750431640133509214064782074892
5261909339649140647817616908
213364308512592074892
413031241119049
1342177284092221750435261909213364304130312462806428
409223383164013396498512591119049
21750431640133509214064782074892
5261909339649140647817616908
213364308512592074892
413031241119049