|
| |
|
|
A152416
|
|
Decimal expansion of 2-pi^2/6.
|
|
0
| |
|
|
3, 5, 5, 0, 6, 5, 9, 3, 3, 1, 5, 1, 7, 7, 3, 5, 6, 3, 5, 2, 7, 5, 8, 4, 8, 3, 3, 3, 5, 3, 9, 7, 4, 8, 1, 0, 7, 8, 1, 0, 5, 0, 0, 9, 8, 7, 9, 3, 2, 0, 1, 5, 6, 2, 2, 6, 4, 4, 4, 1, 7, 7, 0, 6, 2, 9, 9, 9, 2, 5, 2, 9, 5, 9, 6, 7, 9, 9, 1, 2, 6, 1, 6, 6, 3, 7, 1, 0, 9, 9, 3, 8, 0, 2, 4, 1, 2, 9, 4, 6, 9, 5, 9, 9, 5
(list; constant; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
COMMENTS
| Essentially the 9-complement of the digits of A013661, starting with the second. Consider the constants N(s)=sum_{n=2,3,...infinity} 1/(n^s*(n-1)) = s-sum_{l=2..s} Zeta(l), where Zeta is Riemann's zeta function. N(1)=1 and this constant here is N(2).
|
|
|
FORMULA
| Equals 2-A013661.
|
|
|
EXAMPLE
| Equals 0.355065933151773563527584833353974810781050098793201562264441770...
|
|
|
MAPLE
| evalf(2-Pi^2/6);
|
|
|
CROSSREFS
| Sequence in context: A161353 A133758 A021742 * A200334 A138112 A106233
Adjacent sequences: A152413 A152414 A152415 * A152417 A152418 A152419
|
|
|
KEYWORD
| cons,easy,nonn
|
|
|
AUTHOR
| R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 03 2008
|
| |
|
|