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A081349 Square maze arrangement of the natural numbers, read by antidiagonals. 5
1, 2, 8, 3, 7, 9, 4, 6, 10, 24, 15, 5, 11, 23, 25, 16, 14, 12, 22, 26, 48, 35, 17, 13, 21, 27, 47, 49, 36, 34, 18, 20, 28, 46, 50, 80, 63, 37, 33, 19, 29, 45, 51, 79, 81, 64, 62, 38, 32, 30, 44, 52, 78, 82, 120, 99, 65, 61, 39, 31, 43, 53, 77, 83, 119, 121, 100, 98, 66, 60, 40 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

First row is A081351. First column is A081350. Main diagonal is A081352. Main subdiagonal is 2*A000217(n+1).

LINKS

Table of n, a(n) for n=0..70.

EXAMPLE

Starting with 1,2,3,4, turn (LL) and then repeat (RRR)(LLL) to get

1 8 9 24

2 7 10 23

3 6 11 22

4 5 12 21

15 14 13 20

CROSSREFS

Cf. A081344.

Sequence in context: A256921 A133840 A190732 * A111445 A076696 A011057

Adjacent sequences:  A081346 A081347 A081348 * A081350 A081351 A081352

KEYWORD

nonn,tabl

AUTHOR

Paul Barry, Mar 19 2003

STATUS

approved

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Last modified August 24 02:32 EDT 2019. Contains 326260 sequences. (Running on oeis4.)