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A323262 The sequence denoted by a_n used in the calculation of A323260. 0
1, 1, 5, 20, 83, 337, 1370, 5559, 22561, 91554, 371545, 1507801, 6118968, 24832029, 100773497, 408959620, 1659642439, 6735171085, 27332712458, 110921780683, 450143448069, 1826774891162, 7413429024309, 30085222960037, 122092035627248, 495474644924649, 2010738231220317, 8159990174887348 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..28.

K. A. Van'kov, V. M. Zhuravlyov, Regular tilings and generating functions, Mat. Pros. Ser. 3, issue 22, 2018 (127-157) [in Russian]. See Table 1.

Index entries for linear recurrences with constant coefficients, signature (5,-3,-5,7,-1).

FORMULA

Van'kov and Zhuravlyov give recurrences.

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

CROSSREFS

Cf. A323260-A323269.

Sequence in context: A249946 A030520 A183933 * A295601 A301946 A292760

Adjacent sequences:  A323259 A323260 A323261 * A323263 A323264 A323265

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 09 2019

STATUS

approved

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Last modified July 17 16:38 EDT 2019. Contains 325107 sequences. (Running on oeis4.)