

A002750


Sum of logarithmic numbers.
(Formerly M3506 N1422)


1



1, 4, 15, 76, 373, 2676, 17539, 152860, 1383561, 14658148, 143131351, 2070738924, 24754959805, 341745565396, 5260157782923, 92358395065276, 1377499388715409, 27622124789948100, 476285499100204831, 10464946811144407948
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OFFSET

0,2


REFERENCES

J. M. Gandhi, On logarithmic numbers, Math. Student, 31 (1963), 7383.
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

Table of n, a(n) for n=0..19.
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, m1)*(m1)!.  Vladeta Jovovic, Feb 08 2003


CROSSREFS

Sequence in context: A086365 A032270 A198057 * A178887 A002467 A243327
Adjacent sequences: A002747 A002748 A002749 * A002751 A002752 A002753


KEYWORD

nonn


AUTHOR

N. J. A. Sloane.


EXTENSIONS

More terms from Jeffrey Shallit.
More terms from Vladeta Jovovic, Feb 08 2003


STATUS

approved



