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A129199 Absolute differences of A129198. 2
1, 3, 2, 8, 4, 16, 19, 43, 5, 53, 6, 102, 185, 377, 7, 391, 759, 1527, 9, 1545, 3062, 6134, 10, 6154, 12277, 24565, 11, 24587, 12, 49164, 98291, 196595, 13, 196621, 393202, 786418, 14, 786446, 1572849, 3145713, 15, 3145743, 6291440, 12582896, 12582895 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

This sequence is known to be a permutation of positive integers, along with its parent sequence (A129198).

In the paper of Slater and Velez it is shown that both this sequence and its parent are permutations of positive integers.

LINKS

P. J. Slater and W. Y. Velez, Permutations of the Positive Integers with Restrictions on the Sequence of Differences, Pacific J. Math., 71, 1977

CROSSREFS

This is the absolute difference of A129198, Cf. A081145.

Sequence in context: A082333 A162728 A127300 * A097018 A127541 A053219

Adjacent sequences:  A129196 A129197 A129198 * A129200 A129201 A129202

KEYWORD

nonn

AUTHOR

Ferenc Adorjan (fadorjan(AT)freemail.hu or ferencadorjan(AT)gmail.com), Apr 04 2007

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.