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A014780
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Triangle of numbers associated with Genocchi numbers.
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0
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1, 1, 1, 1, 3, 3, 5, 3, 3, 17, 17, 31, 25, 31, 17, 17, 155, 155, 293, 259, 349, 259, 293, 155, 155, 2073, 2073, 3991, 3681, 5151, 4289, 5151, 3681, 3991, 2073, 2073, 38227, 38227, 74381, 70235, 100325, 88507, 109765, 88507, 100325, 70235, 74381, 38227
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,5
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REFERENCES
| G. Kreweras, Sur les permutations compte'es par les nombres de Genocchi..., Europ. J. Comb., vol. 18, pp. 49-58, 1997.
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EXAMPLE
| 1; 1,1,1; 3,3,5,3,3; 17,17,31,25,31,17,17; ...
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CROSSREFS
| Sequence in context: A113965 A162277 A060397 * A073081 A094928 A178984
Adjacent sequences: A014777 A014778 A014779 * A014781 A014782 A014783
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KEYWORD
| tabf,nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 22 2003
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