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A027006 a(n) = T(2*n+1, n+3), T given by A026998. 1
1, 34, 281, 1397, 5353, 17643, 53062, 150833, 414210, 1114160, 2960806, 7814074, 20544191, 53902532, 141273663, 370060623, 969088727, 2537431693, 6643486220, 17393369595, 45537037936, 119218243314, 312118286876, 817137321092, 2139294503373, 5600747154678 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
COMMENTS
Bisection of A053298.
LINKS
FORMULA
G.f.: x^2*(1+26*x+35*x^2-12*x^3-2*x^4) / ((1-x)^5*(1-3*x+x^2)). - Colin Barker, Feb 19 2016
PROG
(PARI) Vec(x^2*(1+26*x+35*x^2-12*x^3-2*x^4) / ((1-x)^5*(1-3*x+x^2)) + O(x^40)) \\ Colin Barker, Feb 19 2016
CROSSREFS
Sequence in context: A252999 A229327 A209891 * A156531 A220565 A230803
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified May 24 15:44 EDT 2024. Contains 372778 sequences. (Running on oeis4.)