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Search: id:A064880
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A064880 Row sums of triangle A064879. +0
2
1, 2, 2, 4, 11, 50, 389, 4590, 73950, 1559648, 41768100, 1372257648, 53854228438, 2482184155472, 132554850677690, 8096323604940164, 559278345518698923, 43305732768029924394, 3731115433469990603265 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)= sum(A064879(n, m), m=0..n).

CROSSREFS

Sequence in context: A092635 A067920 A052338 this_sequence A115011 A110476 A059343

Adjacent sequences: A064877 A064878 A064879 this_sequence A064881 A064882 A064883

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Oct 12 2001

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Last modified December 3 16:57 EST 2008. Contains 151279 sequences.


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