|
| |
|
|
A002751
|
|
Sum of logarithmic numbers.
(Formerly M2821 N1135)
|
|
0
| |
|
|
1, 3, 9, 37, 153, 951, 5473, 42729, 353937, 3455083, 30071001, 426685293, 4707929449, 59350096287, 882391484913, 15177204356401, 205119866263713, 4040196156574419, 64262949875511337, 1408785031894483893, 29514546353782633401, 593055713389216814983
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
REFERENCES
| J. M. Gandhi, On logarithmic numbers, Math. Student, 31 (1963), 73-83.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|
|
|
LINKS
| Index entries for sequences related to logarithmic numbers
|
|
|
FORMULA
| E.g.f.: F(x)/x*exp(x) where F(x) is o.g.f. for A000005(). - Vladeta Jovovic (vladeta(AT)eunet.rs), Feb 09 2003
|
|
|
MAPLE
| [seq(numtheory[tau](n), n=0..40)] ; gfun[listtoseries](%, x, 'ogf') ; %/x*exp(x) ; taylor(%, x=0, 40) ; eg := gfun[seriestolist](%, 'ogf') ; seq( op(i, eg)*(i-1)!, i=1..nops(eg)) ; # R. J. Mathar, Jul 08 2011
|
|
|
CROSSREFS
| Sequence in context: A149021 A149022 A134818 * A119856 A077365 A006229
Adjacent sequences: A002748 A002749 A002750 * A002752 A002753 A002754
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
EXTENSIONS
| More terms from J. O. Shallit.
|
| |
|
|