A037482 - OEIS

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A037482

Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 1,2.

1, 7, 36, 182, 911, 4557, 22786, 113932, 569661, 2848307, 14241536, 71207682, 356038411, 1780192057, 8900960286, 44504801432, 222524007161, 1112620035807, 5563100179036, 27815500895182, 139077504475911, 695387522379557

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..22.

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

Index entries for 5-automatic sequences.

FORMULA

a(n) = 5a(n-1) + a(n-2) - 5a(n-3).

a(n) = (-1)^n/12 -3/8 +7*5^n/24. G.f. x*(1+2*x) / ( (x-1)*(5*x-1)*(1+x) ). - R. J. Mathar, Nov 02 2011

A007091(a(n)) = A037487(n). - R. J. Mathar, Apr 27 2015

PROG