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A033123 Base-5 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,1. 0
1, 5, 26, 131, 655, 3276, 16381, 81905, 409526, 2047631, 10238155, 51190776, 255953881, 1279769405, 6398847026, 31994235131, 159971175655, 799855878276, 3999279391381, 19996396956905, 99981984784526, 499909923922631 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (5,0,1,-5).

FORMULA

a(n) = 5a(n-1) + a(n-3) - 5a(n-4)

CROSSREFS

Sequence in context: A171702 A003583 A033115 * A047770 A047757 A047755

Adjacent sequences:  A033120 A033121 A033122 * A033124 A033125 A033126

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 13 23:23 EST 2012. Contains 205567 sequences.