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A005262 [ (7*2^(n+1)-6n-10)/3 ].
(Formerly M2793)
+0
1
1, 3, 9, 25, 59, 131, 277, 573, 1167, 2359, 4745, 9521, 19075, 38187, 76413, 152869, 305783, 611615, 1223281, 2446617, 4893291, 9786643, 19573349, 39146765, 78293599 (list; graph; listen)
OFFSET

0,2

COMMENT

Arises from Tower of Hanoi problem.

REFERENCES

Problem 1169, Crux Mathematicorum, 13 (No. 10, 1987), 328-332.

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.

MAPLE

A005262:=-(1+z**2+4*z**3)/((z+1)*(2*z-1)*(z-1)**2); [Conjectured by S. Plouffe in his 1992 dissertation.]

CROSSREFS

Sequence in context: A032681 A005209 A112522 this_sequence A004255 A101357 A065971

Adjacent sequences: A005259 A005260 A005261 this_sequence A005263 A005264 A005265

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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