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A133201 A133195/3. 0
0, 1, 2, 3, 13, 23, 33, 133, 233, 333, 1333, 2333, 3333, 13333, 23333, 33333, 133333, 233333, 333333, 1333333, 2333333, 3333333, 13333333, 23333333, 33333333, 133333333, 233333333, 333333333, 1333333333, 2333333333, 3333333333 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

The base 10 interpretation of the base 4 digits of A180516. - Jason Kimberley, Nov 02 2011

LINKS

Table of n, a(n) for n=0..30.

Index entries for linear recurrences with constant coefficients, signature (1,0,10,-10).

FORMULA

a(n) = a(n-1)+10*a(n-3)-10*a(n-4). G.f.: x*(x^2+x+1) / ((x-1)*(10*x^3-1)). [Colin Barker, Feb 01 2013]

MATHEMATICA

LinearRecurrence[{1, 0, 10, -10}, {0, 1, 2, 3}, 40] (* Harvey P. Dale, Apr 01 2018 *)

CROSSREFS

Sequence in context: A296932 A288054 A181521 * A215302 A103150 A065723

Adjacent sequences:  A133198 A133199 A133200 * A133202 A133203 A133204

KEYWORD

nonn,base,easy

AUTHOR

Paul Curtz, Oct 10 2007

STATUS

approved

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Last modified July 21 17:20 EDT 2019. Contains 325198 sequences. (Running on oeis4.)