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A067424
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Ninth column of triangle A067417.
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2
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1, 11, 297, 8019, 216513, 5845851, 157837977, 4261625379, 115063885233, 3106724901291, 83881572334857, 2264802453041139, 61149666232110753, 1651040988266990331, 44578106683208738937, 1203608880446635951299
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..700
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FORMULA
| a(n)= A067417(n+8, 8). a(n)= 11*(3*9)^(n-1), n>=1, a(0)=1.
G.f. (1-16*x)/(1-27*x).
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PROG
| (MAGMA) [Ceiling(11*(3*9)^(n-1)): n in [0..20]]; // Vincenzo Librandi, Oct 02 2011
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CROSSREFS
| Cf. A067423 (eighth column), A009971 (powers of 27).
Sequence in context: A030428 A133515 A165390 * A001538 A101269 A012184
Adjacent sequences: A067421 A067422 A067423 * A067425 A067426 A067427
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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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