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Search: id:A061577
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A061577 Sequence and first differences (A061578) include all numbers. +0
4
2, 3, 7, 12, 18, 26, 35, 45, 56, 69, 83, 98, 114, 131, 150, 170, 191, 213, 236, 260, 285, 312, 340, 369, 399, 430, 462, 495, 529, 565, 602, 640, 679, 719, 760, 802, 845, 889, 935, 982, 1030, 1079, 1129, 1180, 1232, 1285, 1339, 1394, 1451, 1509, 1568, 1628 (list; graph; listen)
OFFSET

1,1

COMMENT

The lexicographically earliest sequence that begins with 2 and together with its first differences (A030124) contain every positive integer exactly once.

CROSSREFS

Cf. A005228, A061578.

Sequence in context: A128458 A066733 A049623 this_sequence A006488 A121430 A023606

Adjacent sequences: A061574 A061575 A061576 this_sequence A061578 A061579 A061580

KEYWORD

nonn,easy

AUTHOR

Ronald van Eijck (eequalsmcsquare(AT)hotmail.com), May 21 2001

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Jun 12 2001

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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