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 A049627 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). 11
 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; text; internal format)
 OFFSET 0,2 LINKS EXAMPLE Diagonals (each starting on row 1): {1}; {2,2}; {2,4,2}; ... CROSSREFS Sequence in context: A329586 A255336 A292929 * A278223 A134058 A345530 Adjacent sequences:  A049624 A049625 A049626 * A049628 A049629 A049630 KEYWORD nonn,tabl AUTHOR STATUS approved

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Last modified June 24 20:13 EDT 2021. Contains 345425 sequences. (Running on oeis4.)