login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A067416
Ninth column of triangle A067410.
2
1, 10, 180, 3240, 58320, 1049760, 18895680, 340122240, 6122200320, 110199605760, 1983592903680, 35704672266240, 642684100792320, 11568313814261760, 208229648656711680, 3748133675820810240
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: A261177 A367986 A113119 * A113671 A001762 A034908
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Jan 25 2002
STATUS
approved