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 A323750 The label of the ending square of a (m,n)-leaper (a generalization of a chess knight) when it can no longer move, starting on a board with squares spirally numbered, starting at 1. Each move is to the lowest-numbered unvisited square. 4
 2084, 7081, 4698, 10847, 8399, 1164, 25963, 6760, 2269, 6500, 22421, 28273, 18946, 18643, 1202, 202891, 10059, 6425, 6662, 3039, 1383, 142679, 43325, 3744, 33725, 1460, 4639, 1952, 252953, 23684, 63577, 6040, 10841, 41836, 10017, 6338, 188501, 104413, 26546, 26967, 52736, 9145, 6580, 25799, 1869, 257479, 35652 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The entries are the lower triangle of an array, for (m,n)-leaper, where 1 <= n < m, ordered: (2,1), (3,1), (3,2), (4,1), (4,2), etc. LINKS Jud McCranie, Table of n, a(n) for n = 1..19900 N. J. A. Sloane and Brady Haran, The Trapped Knight, Numberphile video (2019). EXAMPLE A chess knight (a (2,1)-leaper) makes 2016 moves before it reaches the square labeled 2084 and has no moves available (see A316667). CROSSREFS Cf. A323749, A316667, A317106, A317471, A317416, A323750, A317438, A317916. Sequence in context: A224438 A323714 A343179 * A323471 A251225 A306421 Adjacent sequences: A323747 A323748 A323749 * A323751 A323752 A323753 KEYWORD nonn,tabf AUTHOR Jud McCranie, Jan 26 2019 STATUS approved

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Last modified May 30 11:30 EDT 2023. Contains 363050 sequences. (Running on oeis4.)