|
| |
|
|
A139238
|
|
First differences of Mersenne numbers A001348.
|
|
4
| | |
|
|
|
OFFSET
| 1,1
|
|
|
FORMULA
| a(n) = A001348(n+1) - A001348(n).
|
|
|
EXAMPLE
| a(2)=24 because A001348(2)=7 and A001348(2+1)=31 then 31-7 = 24.
|
|
|
CROSSREFS
| Cf. A001348, A139228, A139231, A139234, A139239, A139240, A139241, A139242, A139243.
Sequence in context: A091143 A119920 A100738 * A139231 A052462 A048806
Adjacent sequences: A139235 A139236 A139237 * A139239 A139240 A139241
|
|
|
KEYWORD
| easy,nonn
|
|
|
AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Apr 19 2008
|
| |
|
|