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A033133 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 1,1,0. 0
1, 7, 42, 253, 1519, 9114, 54685, 328111, 1968666, 11811997, 70871983, 425231898, 2551391389, 15308348335, 91850090010, 551100540061, 3306603240367, 19839619442202, 119037716653213, 714226299919279, 4285357799515674 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (6,0,1,-6).

FORMULA

a(n) = 6a(n-1) + a(n-3) - 6a(n-4)

CROSSREFS

Sequence in context: A170640 A170688 A003949 * A082035 A127016 A152239

Adjacent sequences:  A033130 A033131 A033132 * A033134 A033135 A033136

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 15 13:45 EST 2012. Contains 205806 sequences.