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 A037605 Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,3. 0
 1, 7, 38, 191, 957, 4788, 23941, 119707, 598538, 2992691, 14963457, 74817288, 374086441, 1870432207, 9352161038, 46760805191, 233804025957, 1169020129788, 5845100648941, 29225503244707, 146127516223538, 730637581117691 (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 (5,0,1,-5). Index entries for 5-automatic sequences. FORMULA G.f.: x*(1+2*x+3*x^2) / ( (x-1)*(5*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 27 2015 A007091(a(n)) = A037610(n). - R. J. Mathar, Apr 27 2015 PROG (PARI) a(n)=([0, 1, 0, 0; 0, 0, 1, 0; 0, 0, 0, 1; -5, 1, 0, 5]^(n-1)*[1; 7; 38; 191])[1, 1] \\ Charles R Greathouse IV, Feb 13 2017 CROSSREFS Sequence in context: A217340 A037696 A026895 * A128726 A346395 A055146 Adjacent sequences: A037602 A037603 A037604 * A037606 A037607 A037608 KEYWORD nonn,base,easy AUTHOR Clark Kimberling STATUS approved

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Last modified June 17 18:36 EDT 2024. Contains 373463 sequences. (Running on oeis4.)