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Search: id:A049735
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| A049735 |
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Array T read by diagonals; T(i,j)=number of lattice points (x,y) in circle with radius (0,0)-to-(i,j). |
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11
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| 1, 5, 5, 13, 9, 13, 29, 21, 21, 29, 49, 37, 25, 37, 49, 81, 57, 45, 45, 57, 81, 113, 89, 69, 61, 69, 89, 113, 149, 121, 97, 81, 81, 97, 121, 149, 197, 161, 129, 109, 101, 109, 129, 161, 197, 253, 213, 177, 145, 137, 137, 145, 177, 213, 253
(list; table; graph; listen)
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OFFSET
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0,2
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EXAMPLE
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T(n,0)=A000328(n).
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CROSSREFS
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Diagonals (each starting on row 1): {1}, {5, 5}, {13, 9, 13}, ...
Sequence in context: A061391 A123133 A122213 this_sequence A055526 A055524 A132981
Adjacent sequences: A049732 A049733 A049734 this_sequence A049736 A049737 A049738
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KEYWORD
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nonn,tabl
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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EXTENSIONS
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Specifically, x^2 + y^2 <= i^2 + j^2.
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