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A049627
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Array T read by diagonals; T(i,j)=(i+1)*(j+1)-H(i,j), where H is the array in A049615; thus T(i,j) is the number of lattice points in rectangle having diagonal (0,0)-to-(i,j) that are visible from (i,j).
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11
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1, 2, 2, 2, 4, 2, 2, 5, 5, 2, 2, 6, 6, 6, 2, 2, 7, 8, 8, 7, 2, 2, 8, 9, 10, 9, 8, 2, 2, 9, 11, 12, 12, 11, 9, 2, 2, 10, 12, 15, 14, 15, 12, 10, 2, 2, 11, 14, 16, 18, 18, 16, 14, 11, 2, 2, 12, 15, 19, 19, 22, 19, 19, 15, 12, 2, 2, 13, 17, 21, 23, 24, 24, 23, 21
(list; table; graph; refs; listen; history; internal format)
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