|
| |
|
|
A064780
|
|
Number of times n occurs in A000195 (A000195=ln(k) rounded down).
|
|
1
| |
|
|
2, 5, 13, 34, 94, 255, 693, 1884, 5123, 13923, 37848, 102880, 279659, 760191, 2066413, 5617093, 15268842, 41505017, 112822331, 306682895, 833650539, 2266097112, 6159890600, 16744318683, 45515777208, 123724710091
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,200
|
|
|
FORMULA
| a(n) = floor(exp(n+1))-floor(exp(n)), n>0.
|
|
|
PROG
| (PARI) { default(realprecision, 100); for (n=0, 200, if (n, a=floor(exp(n + 1)) - floor(exp(n)), a=2); write("b064780.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 25 2009]
|
|
|
CROSSREFS
| Cf. A000195.
Sequence in context: A193039 A062465 A186236 * A148289 A148290 A029885
Adjacent sequences: A064777 A064778 A064779 * A064781 A064782 A064783
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Santi Spadaro (spados(AT)katamail.com), Oct 19 2001
|
|
|
EXTENSIONS
| More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Oct 20 2001
|
| |
|
|
