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Search: id:A051546
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A051546 Third unsigned column of triangle A051339. +0
1
0, 0, 1, 24, 431, 7155, 117454, 1961470, 33775244, 603682596, 11235811536, 218055250512, 4413843664416, 93156324734304, 2048591287486080, 46898664421553280, 1116592842912341760, 27618683992928743680 (list; graph; listen)
OFFSET

0,4

REFERENCES

Mitrinovic, D. S. and Mitrinovic, R. S. see reference given for triangle A051339.

FORMULA

a(n) = A051339(n, 2)*(-1)^n; e.g.f.: (ln(1-x))^2/(2*(1-x)^7).

CROSSREFS

A001730 (m=0), A051545 (m=1) unsigned columns.

Sequence in context: A072975 A062193 A016268 this_sequence A081128 A059158 A062149

Adjacent sequences: A051543 A051544 A051545 this_sequence A051547 A051548 A051549

KEYWORD

easy,nonn

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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