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A304612

a(n) = 75*2^n - 38.

37, 112, 262, 562, 1162, 2362, 4762, 9562, 19162, 38362, 76762, 153562, 307162, 614362, 1228762, 2457562, 4915162, 9830362, 19660762, 39321562, 78643162, 157286362, 314572762, 629145562, 1258291162, 2516582362, 5033164762, 10066329562, 20132659162, 40265318362, 80530636762, 161061273562

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OFFSET

0,1

COMMENTS

a(n) is the number of vertices of the nanostar dendrimer NS[n] from the Mirzargar reference.

LINKS

Colin Barker, Table of n, a(n) for n = 0..1000

M. Mirzargar, PI, Szeged and edge Szeged polynomials of a dendrimer nanostar, MATCH, Commun. Math. Comput. Chem. 62, 2009, 363-370.

Index entries for linear recurrences with constant coefficients, signature (3,-2).

FORMULA

G.f.: (37 + x)/((1 - x)*(1 - 2*x)). - Bruno Berselli, May 17 2018

MAPLE