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A005839 Sequence contains no 4-term arithmetic progression.
(Formerly M0956)
+0
1
0, 1, 2, 4, 5, 7, 8, 9, 14, 15, 16, 18, 25, 26, 28, 29, 30, 33, 36, 48, 49, 50, 52, 53, 55, 56, 57, 62, 64, 65, 66, 79, 86, 87, 88, 90, 93, 98, 101, 104, 105, 108, 109, 110, 121, 125, 135, 144, 148, 150, 151, 159, 162, 166, 168, 169, 170, 173, 175 (list; graph; listen)
OFFSET

0,3

REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, E10.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

CROSSREFS

Sequence in context: A039046 A026451 A050106 this_sequence A062102 A092289 A079358

Adjacent sequences: A005836 A005837 A005838 this_sequence A005840 A005841 A005842

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

more terms from Jeffrey Shallit, 8/95.

page 1

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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