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 A238055 a(n) = (13*3^n-1)/2. 1
 6, 19, 58, 175, 526, 1579, 4738, 14215, 42646, 127939, 383818, 1151455, 3454366, 10363099, 31089298, 93267895, 279803686, 839411059, 2518233178, 7554699535, 22664098606, 67992295819, 203976887458, 611930662375, 1835791987126, 5507375961379, 16522127884138 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS FORMULA a(n) = 3*a(n-1) + 1, a(0)=6. a(n) = 4*a(n-1) - 3*a(n-2), a(0)=6, a(1)=19. a(n) = 2*A237930(n) - A003462(n). a(n) = A052909(n+1) + A000244(n). a(n) = A237930(n) + A000244(n+1). a(n) = 13*A003462(n) + 6. G.f.: (6-5*x)/((1-x)*(1-3*x)). EXAMPLE Ternary....................Decimal 20...............................6 201.............................19 2011............................58 20111..........................175 201111.........................526 2011111.......................1579 20111111......................4738 201111111....................14215, etc. CROSSREFS Cf. A000244, A003462, A052909, A060816, A237930. Sequence in context: A286184 A027044 A057571 * A272227 A272587 A125069 Adjacent sequences:  A238052 A238053 A238054 * A238056 A238057 A238058 KEYWORD nonn,easy AUTHOR Philippe Deléham, Feb 17 2014 STATUS approved

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Last modified June 18 04:41 EDT 2021. Contains 345098 sequences. (Running on oeis4.)