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A002570
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From a definite integral.
(Formerly M4090 N1698)
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1
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1, 1, 6, 11, 36, 85, 235, 600, 1590, 4140, 10866, 28416, 74431, 194821, 510096, 1335395, 3496170, 9153025, 23963005, 62735880
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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REFERENCES
| Shenton, L. R. A determinantal expansion for a class of definite integral. V. Recurrence relations. Proc. Edinburgh Math. Soc. (2) 10 (1957), 167-188.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| S. Plouffe, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
S. Plouffe, 1031 Generating Functions and Conjectures, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
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MAPLE
| A002570:=-1/(z-1)/(z**2-3*z+1)/(1+z)**3; [Conjectured by S. Plouffe in his 1992 dissertation.]
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CROSSREFS
| Sequence in context: A166702 A130667 A108698 * A038265 A015440 A193488
Adjacent sequences: A002567 A002568 A002569 * A002571 A002572 A002573
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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