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A079550
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Array T(m,n) = phi(m^2)*phi(n^2) - phi(m*n)^2 (m,n >= 1), read by antidiagonals.
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3
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0, 1, 1, 2, 0, 2, 4, 8, 8, 4, 4, 0, 0, 0, 4, 8, 24, 32, 32, 24, 8, 6, 8, 56, 0, 56, 8, 6, 16, 48, 36, 96, 96, 36, 48, 16, 18, 0, 108, 32, 0, 32, 108, 0, 18, 24, 72, 128, 192, 176, 176, 192, 128, 72, 24, 10, 16, 0, 0, 264, 0, 264, 0, 0, 16, 10, 32, 120, 176, 288, 384, 360, 360, 384, 288
(list; table; graph; refs; listen; history; internal format)
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