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URL: https://oeis.org/A027099

⇱ A027099 - OEIS

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A027099
a(n) = Sum_{0<=i<=i<=n} A027082(i, n+j).
0
1, 3, 9, 28, 83, 244, 713, 2075, 6029, 17512, 50891, 148037, 431151, 1257365, 3671731, 10735948, 31429745, 92116592, 270268647, 793741973, 2333221387, 6864280611, 20210115899, 59545932370, 175558633893, 517915132777
OFFSET
0,2
CROSSREFS
Partial sums of A027098.
Sequence in context: A294958 A047134 A184698 * A292328 A027090 A033139
KEYWORD
nonn
EXTENSIONS
Title corrected by Sean A. Irvine, Oct 23 2019
STATUS
approved