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A101888 Smallest natural number sequence without any length 5 equidistant arithmetic subsequences. +0
4
1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 22, 23, 24, 25, 27, 28, 29, 30, 32, 33, 34, 35, 37, 38, 39, 40, 43, 44, 45, 46, 48, 49, 50, 51, 53, 54, 55, 56, 58, 59, 60, 61, 64, 65, 66, 67, 69, 70, 71, 72, 74, 75, 76, 77, 79, 80, 81, 82, 86, 87, 88, 90, 91, 92, 93, 95 (list; graph; listen)
OFFSET

1,2

EXAMPLE

5 is out because of 1,2,3,4,5. 21 is out because of 1,6,11,16,21.

CROSSREFS

Cf. A101889, A101884, A101886.

Sequence in context: A023721 A087066 A120518 this_sequence A020655 A031942 A043090

Adjacent sequences: A101885 A101886 A101887 this_sequence A101889 A101890 A101891

KEYWORD

nonn

AUTHOR

Douglas Stones (dssto1(AT)student.monash.edu.au), Dec 20 2004

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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