|
| |
|
|
A087357
|
|
Index of powers of 2 arising as the difference of a pair of successive terms of A087356.
|
|
1
| |
|
|
1, 3, 2, 13, 6, 11, 4, 5, 10, 35, 16, 25, 26, 19, 12, 501
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| Conjecture: Every number is a member.
Next term is > 2500. - David Wasserman (wasserma(AT)spawar.navy.mil), May 12 2005
|
|
|
FORMULA
| a(n) = Log th the base 2 of {A087356(n+1) - A087356(n)}.
|
|
|
EXAMPLE
| a(5) = log to the base 2 of {A087356(6) - A087356(5)} = log{8209-17} = log (8192) to the base 2 = 13.
|
|
|
CROSSREFS
| Cf. A087356.
Sequence in context: A093922 A075555 A075556 * A191705 A131050 A084416
Adjacent sequences: A087354 A087355 A087356 * A087358 A087359 A087360
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 08 2003
|
|
|
EXTENSIONS
| More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 12 2005
|
| |
|
|
