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A117418 as a triangular array

1
11
121
1431
19841
123221451
16665502061
1209208191792871
17247237803221263781
127222721341513855721804891
11105411053159246293269287126458101

A117418 as a square array

11111111111
12492366209724272211054
1382265208723272111053
141450191780341515924
15207932213856293
16281265722692
1737180871
1848264
1958
110
1
11111111111
12492366209724272211054
1382265208723272111053
141450191780341515924
15207932213856293
16281265722692
1737180871
1848264
1958
110
1