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A101884 Smallest natural number sequence without any length 3 equidistant arithmetic subsequences. +0
4
1, 2, 4, 5, 8, 9, 11, 12, 16, 18, 19, 21, 26, 28, 29, 32, 33, 35, 36, 39, 43, 44, 46, 47, 54, 56, 59, 60, 62, 63, 68, 69, 71, 72, 80, 82, 86, 88, 91, 93, 94, 99, 103, 106, 113, 115, 116, 120, 122, 127, 130, 131, 133, 134, 137, 141, 142, 144, 145, 149, 154, 157, 159, 160 (list; graph; listen)
OFFSET

1,2

EXAMPLE

3 is out because of 1,2,3. 7 is out because of 1,4,7.

CROSSREFS

Cf. A101885, A101886, A101888.

Sequence in context: A047380 A117121 A101925 this_sequence A118179 A096603 A084464

Adjacent sequences: A101881 A101882 A101883 this_sequence A101885 A101886 A101887

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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