|
Search: id:A126121
|
|
|
| A126121 |
|
Numerators of sequence of fractions with e.g.f. sqrt(1+x)/(1-x)^2. |
|
+0
1
|
|
| 1, 5, 31, 255, 2577, 31245, 439695, 7072695, 127699425, 2562270165, 56484554175, 1358576240175, 35374065613425, 992016072172125, 29792674421484975, 954480422711190375, 32479589325536978625, 1170329273010701929125, 44502357662442514209375, 1781390379962467540641375
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
COMMENT
|
Denominators are successive powers of 2.
|
|
EXAMPLE
|
The fractions are 1, 5/2, 31/4, 255/8, 2577/16, 31245/32, 439695/64, ...
|
|
CROSSREFS
|
Cf. A003148, A001174, A126115, A126119.
Adjacent sequences: A126118 A126119 A126120 this_sequence A126122 A126123 A126124
Sequence in context: A024451 A046852 A056541 this_sequence A000556 A125598 A058892
|
|
KEYWORD
|
nonn,frac
|
|
AUTHOR
|
njas, Mar 22 2007
|
|
|
Search completed in 0.002 seconds
|
