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A037021 Greedy sequence such that no term is the average of four others. 0
0, 1, 2, 3, 5, 7, 13, 26, 27, 28, 29, 31, 122, 123, 124, 125, 127, 129, 135, 148, 149, 150, 151, 153, 610, 611, 612, 613, 615, 617, 623, 636, 637, 638, 639, 641, 732, 733, 734, 735, 737, 739, 745, 758, 759, 760, 761, 763, 3050, 3051 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

REFERENCES

Related to R. K. Guy, Unsolved Problems in Number Theory, Section C16.

CROSSREFS

Sequence in context: A124147 A135372 A103597 * A114741 A096177 A075238

Adjacent sequences:  A037018 A037019 A037020 * A037022 A037023 A037024

KEYWORD

nonn

AUTHOR

John W. Layman (layman(AT)math.vt.edu)

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Last modified February 14 06:20 EST 2012. Contains 205570 sequences.