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A067413
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Sixth column of triangle A067410.
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3
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1, 7, 84, 1008, 12096, 145152, 1741824, 20901888, 250822656, 3009871872, 36118462464, 433421549568, 5201058594816, 62412703137792, 748952437653504, 8987429251842048, 107849151022104576, 1294189812265254912
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| The fifth column is [1,6,60,600,6000,60000,...].
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FORMULA
| a(n)= A067410(n+5, 5). a(n)= 7*12^(n-1), n>=1, a(0)=1.
G.f.: (1-5*x)/(1-12*x).
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CROSSREFS
| Cf. A067412 (fourth column), A067414 (seventh column), A001021 (powers of 12).
Sequence in context: A027819 A177009 A099674 * A166178 A034323 A172455
Adjacent sequences: A067410 A067411 A067412 * A067414 A067415 A067416
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KEYWORD
| nonn,easy
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 2002
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