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A346906 as a triangular array

1
11
131
1731
115941
131251051
16370351561
1127196140352171
1255553476175562881
1511156916241071126843691
11023447660704935119721012045101

A346906 as a square array

11111111111
1371531631272555111023
139257019655315694476
14103514047616246070
15153517510714935
1621561261197
172884210
1836120
1945
110
1
11111111111
1371531631272555111023
139257019655315694476
14103514047616246070
15153517510714935
1621561261197
172884210
1836120
1945
110
1