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A074516
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1^n + 5^n + 6^n.
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0
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3, 12, 62, 342, 1922, 10902, 62282, 358062, 2070242, 12030822, 70231802, 411625182, 2420922962, 14281397142, 84467679722, 500702562702, 2973697798082, 17689598897862, 105374653934042, 628433226338622
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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FORMULA
| G.f.: 1/(1-x)+1/(1-5*x)+1/(1-6*x). E.g.f.: e^x+e^(5*x)+e^(6*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 26 2008]
a(n) = 11*a(n-1) - 30*a(n-2) + 20, n>1 [From Gary Detlefs (gdetlefs(AT)aol.com), Jun 21 2010]
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MATHEMATICA
| Table[1^n + 5^n + 6^n, {n, 0, 20}]
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CROSSREFS
| Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Sequence in context: A121694 A158691 A038171 * A045740 A074529 A143916
Adjacent sequences: A074513 A074514 A074515 * A074517 A074518 A074519
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KEYWORD
| easy,nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 23 2002
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