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A007044 Diagonal of partition triangle A047812.
(Formerly M4370) 		+0
1
0, 0, 1, 7, 20, 48, 100, 194, 352, 615, 1034, 1693, 2705, 4239, 6522, 9889, 14786, 21844, 31913, 46165, 66162, 94035, 132600, 185637, 258128, 356674, 489906, 669173 (list; graph; listen)
OFFSET

1,4
REFERENCES

R. K. Guy, Parker's permutation problem involves the Catalan numbers, Amer. Math. Monthly 100 (1993), 287-289.

CROSSREFS

Sequence in context: A100752 A011934 A100206 this_sequence A047862 A048755 A055267

Adjacent sequences: A007041 A007042 A007043 this_sequence A007045 A007046 A007047

KEYWORD

nonn

AUTHOR

njas, R. K. Guy

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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