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A093650 Natural numbers arranged in a square maze beginning 1, 2, 3, then moving right, then up, right, down, left, down, right, etc., and read by antidiagonals upwards. 1
1, 2, 6, 3, 5, 7, 12, 4, 8, 20, 13, 11, 9, 19, 21, 30, 14, 10, 18, 22, 42, 31, 29, 15, 17, 23, 41, 43, 56, 32, 28, 16, 24, 40, 44, 72, 57, 55, 33, 27, 25, 39, 45, 71, 73 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..45.

Index entries for sequences that are permutations of the natural numbers

EXAMPLE

a(3) = 6 because the maze begins 2 under 1, 3 under 2, 4 right of 3, 5 right of 2 and 6 right of 1.

Array begins:

   1   6---7  20 ...

   |   |   |   |

   2   5   8  19 ...

   |   |   |   |

   3---4   9  18 ...

           |   |

  12--11--10  17 ...

   |           |

  13--14--15--16 ...

  ...

CROSSREFS

Cf. A080335, A081347, A081348.

Other square mazes: A081344, A081349.

Sequence in context: A154048 A259018 A084355 * A064433 A163338 A323335

Adjacent sequences:  A093647 A093648 A093649 * A093651 A093652 A093653

KEYWORD

nonn,tabl,more

AUTHOR

Michael Joseph Halm, May 15 2004

STATUS

approved

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Last modified February 26 17:03 EST 2021. Contains 341632 sequences. (Running on oeis4.)