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A172342 as a triangular array

1
11
151
126261
11357021351
170118927189277011
13640510328264978051032836401
1189011375992837098882837098882813759928189011
19814537100772951941082060269708877956

A172342 as a square array

111111111
152613570136401890198145
1267021892751032813759928371007729
113518927264978037098882851941082060
1701510328370988828269708877956
1364013759928
118901
1
111111111
152613570136401890198145
1267021892751032813759928371007729
113518927264978037098882851941082060
1701510328370988828269708877956
1364013759928
118901
1