id:A054238 - OEIS Search Results

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a(i,j) = bits of binary expansion of i interleaved with that of j.

+0
21

0, 1, 2, 4, 3, 8, 5, 6, 9, 10, 16, 7, 12, 11, 32, 17, 18, 13, 14, 33, 34, 20, 19, 24, 15, 36, 35, 40, 21, 22, 25, 26, 37, 38, 41, 42, 64, 23, 28, 27, 48, 39, 44, 43, 128, 65, 66, 29, 30, 49, 50, 45, 46, 129, 130, 68, 67, 72, 31, 52, 51, 56, 47, 132, 131, 136, 69, 70, 73, 74 (list; table; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Inverse of sequence A054239 considered as a permutation of the nonnegative integers.` `Permutation of integers. Can be used as natural alternate number casting for pairs/tables (vs. usual diagonalization).`
	LINKS	`Index entries for sequences that are permutations of the natural numbers`
	EXAMPLE	`a(5,6)=57 because .1.0.1 (5) merged with 1.1.0. (6) is 111001 (57).`
	CROSSREFS	`Sequence in context: A048167 A135141 A098709 this_sequence A048679 A075378 A101905` `Adjacent sequences: A054235 A054236 A054237 this_sequence A054239 A054240 A054241`
	KEYWORD	`easy,nonn,tabl`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com), Feb 07 2000`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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