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A111887 Seventh column of triangle A112492 (inverse scaled Pochhammer symbols). 1
1, 13068, 104587344, 673781602752, 3878864920694016, 21006340945438768128, 110019668725577574273024, 565858042127972959667208192, 2882220940619488483325345857536, 14605752814655604919042956624396288 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Also continuation of family of differences of reciprocals of unity. See A001242, A111886 and triangle A008969.

REFERENCES

M. Merca, Some experiments with complete and elementary symmetric functions, - Periodica Mathematica Hungarica, 69 (2014), 182-189.

LINKS

Table of n, a(n) for n=0..9.

FORMULA

G.f.: 1/product(1-7!*x/j, j=1..7).

a(n)=-((7!)^n)*sum(((-1)^j)*binomial(7, j)/j^n, j=1..7), n>=0.

a(n)= A112492(n+6, 7), n>=0.

CROSSREFS

Cf. Also right-hand column 6 in triangle A008969.

Sequence in context: A256730 A234329 A165679 * A249495 A235335 A184768

Adjacent sequences:  A111884 A111885 A111886 * A111888 A111889 A111890

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Sep 12 2005

STATUS

approved

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Last modified April 20 03:36 EDT 2019. Contains 322294 sequences. (Running on oeis4.)