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A370331 as a triangular array

1
-1-3
1905
-1-2205-3675-7
1461165323501076049
-1-812295-52887450-74042430-2436885-11
11266665442575568752460978920476636023754644439813
-1-181355265-292686719325-5841878527485-7510986678195-643910782515-785872815-15

A370331 as a square array

1-11-11-11-1
-390-220546116-81229512666654-181355265
5-3675532350-528874504257556875-292686719325
-7107604-7404243024609789204-5841878527485
9-24368857663602375-7510986678195
-1146444398-643910782515
13-785872815
-15
1-11-11-11-1
-390-220546116-81229512666654-181355265
5-3675532350-528874504257556875-292686719325
-7107604-7404243024609789204-5841878527485
9-24368857663602375-7510986678195
-1146444398-643910782515
13-785872815
-15