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A049726 a(n) = Sum_{i=0..floor(n/2)} T(2i,n-2i), array T as in A049723. 0
1, 4, 18, 31, 73, 105, 204, 249, 412, 501, 760, 865, 1207, 1376, 1864, 2070, 2688, 2951, 3740, 4068, 5059, 5413, 6612, 7057, 8421, 8974, 10620, 11247, 13114, 13835, 16034, 16812, 19267, 20221, 22994, 23973, 27092, 28240 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A080519 A120407 A033166 * A130656 A292161 A346866
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified February 24 17:27 EST 2024. Contains 370307 sequences. (Running on oeis4.)