id:A081344 - OEIS Search Results

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Natural numbers in square maze arrangement, read by antidiagonals.

+0
6

1, 2, 4, 9, 3, 5, 10, 8, 6, 16, 25, 11, 7, 15, 17, 26, 24, 12, 14, 18, 36, 49, 27, 23, 13, 19, 35, 37, 50, 48, 28, 22, 20, 34, 38, 64, 81, 51, 47, 29, 21, 33, 39, 63, 65, 82, 80, 52, 46, 30, 32, 40, 62, 66, 100, 121, 83, 79, 53, 45, 31, 41, 61, 67, 99, 101, 122, 120, 84, 78, 54 (list; table; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Arrange the natural numbers by taking clockwise and counter-clockwise turns. Begin (LL) and then repeat (RRR)(LLL).`
	EXAMPLE	`The arrangement begins` `1 4 5 16` `2 3 6 15` `9 8 7 14` `10 11 12 13`
	CROSSREFS	`The main diagonal is A002061. The following appear within interlaced sequences : A016754, A001844, A053755, A004120. The first row is A081345. The first column is A081346.` `Sequence in context: A133057 A155523 A019912 this_sequence A021405 A161360 A104654` `Adjacent sequences: A081341 A081342 A081343 this_sequence A081345 A081346 A081347`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 19 2003`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research