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Search: id:A037491
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| A037491 |
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Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 2,1. |
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+0
1
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| 2, 13, 80, 481, 2888, 17329, 103976, 623857, 3743144, 22458865, 134753192, 808519153, 4851114920, 29106689521, 174640137128, 1047840822769, 6287044936616, 37722269619697, 226333617718184, 1358001706309105
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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Recurrence: a(n)=6*a(n-1)+a(n-2)-6*a(n-3), where a(1)=2, a(2)=13, a(3)=80; formula a(n)=13/35*6^n+1/14*(-1)^(1-n)-3/10 - Maksym Voznyy (voznyy(AT)mail.ru), Jul 25 2008
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CROSSREFS
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Sequence in context: A090187 A037555 A135167 this_sequence A037571 A000179 A037739
Adjacent sequences: A037488 A037489 A037490 this_sequence A037492 A037493 A037494
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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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