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A084035 a(1) = 1, and then distinct numbers such that the sum as well the absolute difference of successive terms is a prime. +0
3
1, 4, 7, 10, 3, 8, 5, 2, 9, 14, 17, 6, 11, 18, 13, 16, 21, 26, 15, 22, 19, 12, 25, 28, 31, 36, 23, 20, 27, 32, 29, 24, 35, 38, 33, 40, 43, 30, 37, 34, 39, 44, 57, 46, 51, 56, 45, 52, 49, 54, 47, 42, 55, 48, 41, 60, 53, 50, 63, 68, 71, 66, 61, 78, 59, 72, 65, 62, 69, 58, 81, 70 (list; graph; listen)
OFFSET

1,2

COMMENT

Another rearrangement of natural numbers in which a(2k) is even and a(2k+1) is odd.

EXAMPLE

17 follows 14 as 14+17 =31 and 17-14 = 3 both are prime and 17 is smallest such number not occurring earlier.

CROSSREFS

Cf. A084037, A084038.

Sequence in context: A103073 A022541 A063798 this_sequence A103702 A118517 A093465

Adjacent sequences: A084032 A084033 A084034 this_sequence A084036 A084037 A084038

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 26 2003

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 09 2003

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.


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