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Search: id:A005367
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| A005367 |
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2(2^n + 1)(2^{n+1} - 1). |
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+0
7
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| 4, 18, 70, 270, 1054, 4158, 16510, 65790, 262654, 1049598, 4196350, 16781310, 67117054, 268451838, 1073774590, 4295032830, 17180000254, 68719738878, 274878431230, 1099512676350, 4398048608254, 17592190238718
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OFFSET
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0,1
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REFERENCES
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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.
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LINKS
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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
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A005367:=-(1-z+z**3)/(z+1)/(z-1)**3; [Conjectured by S. Plouffe in his 1992 dissertation.]
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CROSSREFS
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Sequence in context: A083321 A022728 A115112 this_sequence A050184 A034352 A117615
Adjacent sequences: A005364 A005365 A005366 this_sequence A005368 A005369 A005370
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KEYWORD
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nonn
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AUTHOR
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njas
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