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A126157
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Main diagonal and central terms of symmetric triangle A126155.
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4
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1, 5, 55, 1415, 69025, 5403005, 616437655, 96365988815, 19756766836225, 5140259013390005, 1654190282113104055, 645005323804145184215, 299613583126435893179425, 163464903833408195554809005
(list; graph; refs; listen; history; internal format)
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