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A097307 Row sums of array A097306. 1
1, 1, 3, 3, 6, 8, 13, 15, 26, 31, 46, 56, 81, 95, 140, 160, 221, 261, 351, 406, 548, 626, 820, 945, 1221, 1393, 1788, 2035, 2566, 2928, 3656, 4139, 5146, 5810, 7148, 8078, 9850, 11086, 13461, 15116, 18214, 20441, 24489, 27400, 32708, 36516, 43329, 48345 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
FORMULA
a(n) = Sum_{k=1..ceiling(n/2)} A097306(n,k).
CROSSREFS
Sequence in context: A143592 A280197 A333526 * A323435 A026804 A240213
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Aug 13 2004
STATUS
approved

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Last modified February 26 02:20 EST 2024. Contains 370335 sequences. (Running on oeis4.)