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Search: id:A055583
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A055583 Seventh column of triangle A055252. +0
2
1, 10, 58, 256, 955, 3178, 9740, 28064, 77093, 203930, 523262, 1309520, 3209871, 7731642, 18348240, 42989520, 99612345, 228586890, 520090690, 1174401760, 2634019171, 5872021450, 13019115028, 28722588736, 63082326605 (list; graph; listen)
OFFSET

0,2

FORMULA

G.f. 1/(((1-2*x)^3)*(1-x)^4).

a(n)= A055252(n+6, 6). a(n)= sum(a(j), j=0..n-1)+A055250(n), n >= 1.

CROSSREFS

Cf. A055252, A055249, A055250, partial sums of A055582.

Sequence in context: A024133 A103417 A060157 this_sequence A125320 A126730 A126478

Adjacent sequences: A055580 A055581 A055582 this_sequence A055584 A055585 A055586

KEYWORD

easy,nonn

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), May 26 2000

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Last modified March 19 13:18 EDT 2010. Contains 173632 sequences.


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