login

A257623 as a triangular array

1
33
9489
2750150127
81449413026449481
2433781525023025023037815243
729309324412273590082804122735309324729
21872498649622566272569719452569719456225662724986492187

A257623 as a square array

13927812437292187
3485014494378153093242498649
950113026250230412273562256627
2744942502309008280256971945
81378154122735256971945
24330932462256627
7292498649
2187
13927812437292187
3485014494378153093242498649
950113026250230412273562256627
2744942502309008280256971945
81378154122735256971945
24330932462256627
7292498649
2187