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A171685 as a triangular array

1
-12
-7-22
-83-42-64
-266-332-84-84
5666-2660-1660-280-208
14676233996-7980-3320-420-248
34159782054668237972-37240-11620-1176-5616
7599256273278248218672634592-74480

A171685 as a square array

1-1-7-83-266566614676234159787599256
2-2-42-332-266033996205466827327824
2-6-84-1660-79802379728218672
4-8-280-3320-37240634592
4-20-420-11620-74480
8-24-1176
8-56
16

A171685 as an upper right triangle

1-1-7-83-266566614676234159787599256
2-2-42-332-266033996205466827327824
2-6-84-1660-79802379728218672
4-8-280-3320-37240634592
4-20-420-11620-74480
8-24-1176
8-56
16

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Last modified February 5 22:19 EST 2023. Contains 360087 sequences. (Running on oeis4.)