|
Search: id:A154956
|
|
|
| A154956 |
|
Pierce expansion of 2/Pi |
|
+0
3
|
|
| 1, 2, 3, 5, 10, 71, 868, 1788, 7455, 44266, 54626, 74153, 224166, 390471, 1489304, 3737961, 22277163, 37201631, 113275744, 165029426, 2642368758, 3362202939, 5191046363, 8438525012, 36226438506, 40174126779, 125336047846
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
Simon Plouffe, Table of n, a(n) for n = 0..216
|
|
EXAMPLE
|
1-1/2(1-1/3(1-1/5(1-1/10(1-1/71))))=2/(355/113)
|
|
MAPLE
|
Digits := 300: Pierce := proc(x) local resid, a, i, an ; resid := x ; a := [] ; for i from 1 do an := floor(1./resid) ; a := [op(a), an] ; resid := evalf(1.-an*resid) ; if ilog10( mul(i, i=a)) > 0.7*Digits then break ; fi ; od: RETURN(a) ; end: a060294 := evalf(2/Pi) ; Pierce(a060294) ; [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 21 2009]
|
|
CROSSREFS
|
Cf. A006283,A061233.
Cf. A060294. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 21 2009]
Adjacent sequences: A154953 A154954 A154955 this_sequence A154957 A154958 A154959
Sequence in context: A003504 A003182 A134294 this_sequence A130165 A083397 A067362
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Jan 18 2009
|
|
EXTENSIONS
|
More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 21 2009
Offset in b-file corrected by N. J. A. Sloane, Aug 31 2009
|
|
|
Search completed in 0.002 seconds
|
