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Search: id:A037578
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| A037578 |
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Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 1,3. |
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+0
1
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| 1, 9, 55, 333, 1999, 11997, 71983, 431901, 2591407, 15548445, 93290671, 559744029, 3358464175, 20150785053, 120904710319, 725428261917, 4352569571503, 26115417429021, 156692504574127, 940155027444765, 5640930164668591
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OFFSET
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1,2
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FORMULA
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a(n):=5*a(n-1)+6*a(n-2)+4, a(0):=0:a(1):=1. [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 14 2008]
a(n)= 6*a(n-1) +a(n-2) -6*a(n-3). a(n) = 9*6^n/35-2/5+(-1)^n/7. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 05 2009]
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MAPLE
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a[0]:=0:a[1]:=1:for n from 2 to 50 do a[n]:=5*a[n-1]+6*a[n-2]+4 od: seq(a[n], n=1..33); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 14 2008]
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CROSSREFS
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Sequence in context: A072844 A026857 A097790 this_sequence A096191 A041148 A114026
Adjacent sequences: A037575 A037576 A037577 this_sequence A037579 A037580 A037581
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KEYWORD
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nonn,base
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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