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A038522
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On (2n+1)X(2n+1) board, let m(i)=number of squares i knight's moves from center; sequence gives max m(i), i=0,...
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1
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1, 1, 8, 20, 32, 52, 68, 76, 96, 96, 120, 120, 148, 144, 176, 168, 204, 188
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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REFERENCES
| Problem E2605*, Labels on a Chessboard, proposed by Andreas P. Hadjipolakis, Anopolis Sfakion, Crete, Greece, Am. Math. Monthly Vol. 83 (1976), no. 7 (Aug-Sept.), p. 566. Solution: Vol. 84 (1977), p. 822 by Roger Weitzenkamp.
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EXAMPLE
| On 5 X 5 board, [ m(0),...,m(4) ]=[ 1,8,8,4,4 ], max=8, so a(2)=8.
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CROSSREFS
| Cf. A018842.
Sequence in context: A022757 A194218 A017617 * A186293 A158865 A139570
Adjacent sequences: A038519 A038520 A038521 * A038523 A038524 A038525
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KEYWORD
| nonn,walk,nice
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AUTHOR
| xpolakis(AT)hol.gr (Antreas P. Hatzipolakis)
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