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A027127
a(n) = A027113(n, 2n-9).
0
1, 4, 13, 44, 149, 504, 1701, 5715, 19079, 63218, 207803, 677598, 2192383, 7041688, 22463815, 71216406, 224495351, 704036264, 2197641219, 6831066997, 21152812449, 65276358340, 200814955029, 616052453764, 1885109044861
OFFSET
5,2
CROSSREFS
Sequence in context: A339850 A273904 A027125 * A326329 A073717 A149427
KEYWORD
nonn
STATUS
approved