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A022999 Areas for which ApSimon's diagonal point triangle problem has no solution. +0
1
1, 2, 3, 4, 8, 9, 13, 17, 23, 31, 37, 43, 46, 47, 51, 53, 59, 61, 67, 73, 79, 83, 92, 93, 94, 97, 101, 103, 106, 107, 111, 113, 118, 127, 129, 139, 149, 151, 157, 159, 163, 166, 167, 173, 177, 179, 188 (list; graph; listen)
OFFSET

1,2

REFERENCES

R. K. Guy, ApSimon's diagonal point triangle problem, Amer. Math. Monthly, 104 (1997), 163-.

CROSSREFS

Sequence in context: A085256 A127483 A130804 this_sequence A057844 A015922 A078829

Adjacent sequences: A022996 A022997 A022998 this_sequence A023000 A023001 A023002

KEYWORD

nonn

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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