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A198695 11*4^n-1 1
10, 43, 175, 703, 2815, 11263, 45055, 180223, 720895, 2883583, 11534335, 46137343, 184549375, 738197503, 2952790015, 11811160063, 47244640255, 188978561023, 755914244095, 3023656976383, 12094627905535, 48378511622143 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (5,-4).

FORMULA

a(n) = 4*a(n-1)+3. a(n) = 5*a(n-1)-4*a(n-2), n>1.

G.f. ( 10-7*x ) / ( (4*x-1)*(x-1) ). - R. J. Mathar, Oct 30 2011

PROG

(MAGMA) [11*4^n-1: n in [0..30]]

CROSSREFS

Cf. A024056, A097743, A114569, A156760.

Sequence in context: A251936 A187673 A297655 * A227728 A003866 A057517

Adjacent sequences:  A198692 A198693 A198694 * A198696 A198697 A198698

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Oct 29 2011

STATUS

approved

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Last modified April 6 08:44 EDT 2020. Contains 333268 sequences. (Running on oeis4.)