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Search: id:A067416
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A067416 Ninth column of triangle A067410. +0
2
1, 10, 180, 3240, 58320, 1049760, 18895680, 340122240, 6122200320, 110199605760, 1983592903680, 35704672266240, 642684100792320, 11568313814261760, 208229648656711680, 3748133675820810240 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)= A067410(n+8, 8). a(n)= 10*18^(n-1), n>=1, a(0)=1.

G.f. (1-8*x)/(1-18*x).

CROSSREFS

Cf. A067415 (eighth column), A001027 (powers of 18).

Sequence in context: A049380 A057122 A113119 this_sequence A113671 A001762 A034908

Adjacent sequences: A067413 A067414 A067415 this_sequence A067417 A067418 A067419

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 2002

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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