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A057103
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Triangle of congrua: T(n,k)=4nk(n^2-k^2) with n>k>0 and starting at T(2,1)=24. A055096(n)^2+a(n) is a square, as is A055096(n)^2-a(n).
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3
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24, 96, 120, 240, 384, 336, 480, 840, 960, 720, 840, 1536, 1944, 1920, 1320, 1344, 2520, 3360, 3696, 3360, 2184, 2016, 3840, 5280, 6144, 6240, 5376, 3360, 2880, 5544, 7776, 9360, 10080, 9720, 8064, 4896, 3960, 7680, 10920, 13440, 15000, 15360
(list; table; graph; refs; listen; history; internal format)
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