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A171274 as a triangular array

1
-11
7-81
-235273-391
35353-411165928-1661
-2268340926382125-3804940106900-6771
60147266239-6995481824410089231945-2834741901796973-27241
-648088191536203753764796604717-1087117145130993054442698125-1936260127729358651-109151

A171274 as a square array

1-17-23535353-2268340960147266239-648088191536203
1-8273-4111626382125-69954818244753764796604717
1-395928-380494010089231945-108711714513099
1-166106900-2834741903054442698125
1-6771796973-19362601277
1-272429358651
1-10915
1
1-17-23535353-2268340960147266239-648088191536203
1-8273-4111626382125-69954818244753764796604717
1-395928-380494010089231945-108711714513099
1-166106900-2834741903054442698125
1-6771796973-19362601277
1-272429358651
1-10915
1