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Search: id:A134826
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A134826 Row sums of triangle A134285, called s2(3)'. +0
4
1, 4, 14, 58, 214, 908, 3442, 14444, 56386, 234476, 920490, 3847998, 15165982, 62944212, 250787568, 1036586952, 4132605038, 17106500792, 68303652958, 281749732730, 1130378730046, 4648910236412, 18657451711020, 76808828008438 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n)=sum(A134285(n,m),m=1..n), n>=1.

CROSSREFS

Cf. A134827 (alternating row sums of triangle A134285).

Sequence in context: A002735 A026652 A151489 this_sequence A096242 A104987 A149492

Adjacent sequences: A134823 A134824 A134825 this_sequence A134827 A134828 A134829

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Nov 13 2007

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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