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Search: id:A099035
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| 1, 5, 15, 39, 95, 223, 511, 1151, 2559, 5631, 12287, 26623, 57343, 122879, 262143, 557055, 1179647, 2490367, 5242879, 11010047, 23068671, 48234495, 100663295, 209715199, 436207615, 905969663, 1879048191, 3892314111, 8053063679
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OFFSET
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1,2
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FORMULA
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Row sums of triangle A135852. - Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 01 2007
Binomial transform of [1, 4, 6, 8, 10, 12, 14, 16,...]. Equals A128064 * A000225, (A000225 starting 1, 3, 7, 15,...) - Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 28 2007
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CROSSREFS
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First differences of A066524.
a(n) = A057711(n+1)-1 = A058966(n+3)/2 = [A087323(n)-1]/2 = [A074494(n+1)-2]/3 = [A003261(n+1)-3]/4 = A036289(n+1)/4 - 1, n>0.
Cf. A135852.
Cf. A128064, A000225.
Adjacent sequences: A099032 A099033 A099034 this_sequence A099036 A099037 A099038
Sequence in context: A075717 A062487 A084447 this_sequence A034182 A132985 A022570
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KEYWORD
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nonn
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AUTHOR
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Ralf Stephan, Sep 28 2004
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