A145924 Last digit of A145923(n).
9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3
Offset: 0
Links
- Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1).
Programs
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Mathematica
PadRight[{},100,{9,3,5,5,3}] (* Harvey P. Dale, Jul 05 2012 *)
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PARI
a(n)=[9,3,5,5,3][n%5+1]; \\ Jinyuan Wang, Mar 23 2020
Formula
a(n) = A145923(n) mod 10.
Period length 5: a(n+5) = a(n).
G.f.: (9+3x+5x^2+5x^3+3x^4)/((1-x)(1+x+x^2+x^3+x^4)). - R. J. Mathar, Dec 08 2008
Extensions
Edited by R. J. Mathar, Dec 08 2008
Comments