|
Search: id:A001467
|
|
|
| A001467 |
|
Denominators of an expansion for Pi.
(Formerly M4464 N1893)
|
|
+0
2
|
|
| 1, 1, 1, 7, -791, -3748629, 151648960887729, -1323497544567561138595307148089, 41444465282455711991644958522615049159671653083333293470875123
(list; graph; listen)
|
|
|
OFFSET
|
0,4
|
|
|
REFERENCES
|
H. E. Salzer, The approximation of numbers as sums of reciprocals, Amer. Math. Monthly, 54 (1947), 135-142.
J. W. Wrench, Jr., personal communication.
|
|
FORMULA
|
Numerators are 1.
|
|
EXAMPLE
|
a(4)=-791 since pi-(1/1)-(1/1)-(1/1)-(1/7)=-0.001264489... is closer to 1/(-791)=-0.001264222... than to 1/(-790)=-0.0012658228...
|
|
CROSSREFS
|
Cf. A001466, A014013, A073422.
Sequence in context: A114911 A020470 A014013 this_sequence A047788 A087350 A093171
Adjacent sequences: A001464 A001465 A001466 this_sequence A001468 A001469 A001470
|
|
KEYWORD
|
sign,frac
|
|
AUTHOR
|
njas
|
|
EXTENSIONS
|
Edited by Henry Bottomley (se16(AT)btinternet.com), Jul 30 2002
|
|
|
Search completed in 0.002 seconds
|
