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A205415 as a triangular array

468
38683868
333224459633322
236576549414549414236576
182021556860311033138656860311820215
14452683648788981515980171515980176487889814452683
109757792768581101255308798528393590562553087985

A205415 as a square array

468386833322236576182021514452683109757792
386844596549414568603164878898768581101
33322549414103313861515980172553087985
23657656860311515980172839359056
1820215648788982553087985
14452683
468386833322236576182021514452683109757792
386844596549414568603164878898768581101
33322549414103313861515980172553087985
23657656860311515980172839359056
1820215648788982553087985
14452683