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A318107 as a triangular array

1
61
90241
1680630601
346501680025201201
7567564504509240075602101
17153136121080963153150369600189003361
399072960325909584102918816157657501201200415805041
946551177087796051203259095840617512896630630003363360831607201

A318107 as a square array

1690168034650756756171531363990729609465511770
12463016800450450121080963259095848779605120
16025209240031531501029188163259095840
1120756036960015765750617512896
121018900120120063063000
1336415803363360
150483160
1720
1
1690168034650756756171531363990729609465511770
12463016800450450121080963259095848779605120
16025209240031531501029188163259095840
1120756036960015765750617512896
121018900120120063063000
1336415803363360
150483160
1720
1