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Search: id:A134421
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A134421 Partial sums of A134021. +0
3
1, 2, 4, 6, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 39, 43, 47, 51, 55, 59, 63, 67, 71, 75, 79, 83, 87, 91, 95, 99, 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, 143, 148, 153, 158, 163, 168, 173, 178, 183, 188, 193, 198, 203, 208, 213, 218, 223, 228, 233, 238, 243 (list; graph; listen)
OFFSET

0,2

COMMENT

a(n) = if n=0 then A134021(0) else a(n-1)+A134021(n);

n = Sum(A059095(a(n)-2-k)*3^k: 0<=k<A134021(n)), for n>0.

CROSSREFS

Adjacent sequences: A134418 A134419 A134420 this_sequence A134422 A134423 A134424

Sequence in context: A027919 A077473 A129896 this_sequence A092777 A006463 A060655

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 25 2007

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Last modified October 6 15:53 EDT 2008. Contains 144667 sequences.


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