|
| |
|
|
A097881
|
|
Decimal expansion of T3 = sum from 1 to infinity of fraction sequence with numerator triangular numbers and denominator sum of prime cubes.
|
|
0
| | |
|
|
|
OFFSET
| 0,1
|
|
|
COMMENTS
| Need help for T2, seems to be near log(3)
|
|
|
FORMULA
| equals sum_{n=1..infinity} A000217(n)/A030078(n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 19 2009
|
|
|
EXAMPLE
| T3=0.29439........
|
|
|
CROSSREFS
| Sequence in context: A011067 A135008 A200014 * A019758 A016642 A070700
Adjacent sequences: A097878 A097879 A097880 * A097882 A097883 A097884
|
|
|
KEYWORD
| more,nonn,cons
|
|
|
AUTHOR
| Pierre CAMI (pierre-cami(AT)bbox.fr), Sep 02 2004
|
|
|
EXTENSIONS
| Offset corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 19 2009
|
| |
|
|
