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A002750 Sum of logarithmic numbers.
(Formerly M3506 N1422)
+0
2
1, 4, 15, 76, 373, 2676, 17539, 152860, 1383561, 14658148, 143131351, 2070738924, 24754959805, 341745565396, 5260157782923, 92358395065276, 1377499388715409, 27622124789948100, 476285499100204831, 10464946811144407948 (list; graph; listen)
OFFSET

0,2

REFERENCES

J. M. Gandhi, On logarithmic numbers, Math. Student, 31 (1963), 73-83.

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 A000203(). a(n) = Sum _{m=1..n+1} A000203(m)*binomial(n, m-1)*(m-1)!. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Feb 08 2003

CROSSREFS

Adjacent sequences: A002747 A002748 A002749 this_sequence A002751 A002752 A002753

Sequence in context: A020037 A086365 A032270 this_sequence A002467 A111726 A090376

KEYWORD

nonn

AUTHOR

njas

EXTENSIONS

More terms from J. O. Shallit.

More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Feb 08 2003

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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