A323262 - OEIS

%I #6 Jan 11 2019 06:18:57

%S 1,1,5,20,83,337,1370,5559,22561,91554,371545,1507801,6118968,

%T 24832029,100773497,408959620,1659642439,6735171085,27332712458,

%U 110921780683,450143448069,1826774891162,7413429024309,30085222960037,122092035627248,495474644924649,2010738231220317,8159990174887348

%N The sequence denoted by a_n used in the calculation of A323260.

%H K. A. Van'kov, V. M. Zhuravlyov, <a href="https://www.mccme.ru/free-books/matpros/pdf/mp-22.pdf#page=127">Regular tilings and generating functions</a>, Mat. Pros. Ser. 3, issue 22, 2018 (127-157) [in Russian]. See Table 1.

%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-3,-5,7,-1).

%F Van'kov and Zhuravlyov give recurrences.

%F G.f.: x+ x^2*(1-2*x^2+3*x^3)/(1-5*x+3*x^2+5*x^3-7*x^4+x^5) . - _R. J. Mathar_, Jan 11 2019

%Y Cf. A323260-A323269.

%K nonn

%O 1,3

%A _N. J. A. Sloane_, Jan 09 2019