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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. 2
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; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

LINKS

Table of n, a(n) for n=1..72.

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: A166742 A022541 A063798 * A103702 A118517 A282848

Adjacent sequences:  A084032 A084033 A084034 * A084036 A084037 A084038

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, May 26 2003

EXTENSIONS

More terms from Ray Chandler, Jun 09 2003

STATUS

approved

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Last modified March 25 20:38 EDT 2019. Contains 321477 sequences. (Running on oeis4.)