1,2
R. K. Guy, ApSimon's diagonal point triangle problem, Amer. Math. Monthly, 104 (1997), 163-.
Sequence in context: A085256 A127483 A130804 this_sequence A057844 A015922 A078829
Adjacent sequences: A022996 A022997 A022998 this_sequence A023000 A023001 A023002
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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