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A056699 First differences are 2,1,-2,3 (repeated). +0
1
1, 3, 4, 2, 5, 7, 8, 6, 9, 11, 12, 10, 13, 15, 16, 14, 17, 19, 20, 18, 21, 23, 24, 22, 25, 27, 28, 26, 29, 31, 32, 30, 33, 35, 36, 34, 37, 39, 40, 38, 41, 43, 44, 42, 45, 47, 48, 46, 49, 51, 52, 50, 53, 55, 56, 54, 57, 59, 60, 58, 61, 63, 64, 62, 65, 67, 68, 66 (list; graph; listen)
OFFSET

1,2

COMMENT

Second quadrisection of natural numbers shifted right two places. - Ralf Stephan, Jun 10 2005

LINKS

Index entries for sequences that are permutations of the natural numbers

CROSSREFS

Sequence in context: A133570 A117041 A138609 this_sequence A127296 A133620 A082928

Adjacent sequences: A056696 A056697 A056698 this_sequence A056700 A056701 A056702

KEYWORD

nonn

AUTHOR

Michael Knauth (knauth_jur(AT)yahoo.de), Nov 21 2003

page 1

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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