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Search: id:A016779
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A016779 (3n+1)^3. +0
2
1, 64, 343, 1000, 2197, 4096, 6859, 10648, 15625, 21952, 29791, 39304, 50653, 64000, 79507, 97336, 117649, 140608, 166375, 195112, 226981, 262144, 300763, 343000, 389017, 438976, 493039, 551368, 614125 (list; graph; listen)
OFFSET

0,2

COMMENT

The inverse binomial transform is 1, 63, 216, 162, 0, 0, 0 (0 continued). R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 07 2008

REFERENCES

S. R. Finch, Mathematical Constants, Cambridge, 2003, Section 1.6.3.

FORMULA

Sum_{n>=0} 1/a(n) = 2 pi^2 / (81 sqrt(3)) + 13 zeta(3)/27.

O.g.f.: (1+60x+93x^2+8x^3)/(1-x)^4. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 07 2008

CROSSREFS

Sequence in context: A029873 A017258 A017366 this_sequence A061102 A137739 A017486

Adjacent sequences: A016776 A016777 A016778 this_sequence A016780 A016781 A016782

KEYWORD

nonn,easy

AUTHOR

njas

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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