A067416 Ninth column of triangle A067410.

1, 10, 180, 3240, 58320, 1049760, 18895680, 340122240, 6122200320, 110199605760, 1983592903680, 35704672266240, 642684100792320, 11568313814261760, 208229648656711680, 3748133675820810240

Offset: 0

Author

Wolfdieter Lang, Jan 25 2002

Keywords

• nonn
• easy

Links

• Index entries for linear recurrences with constant coefficients, signature (18).

Crossrefs

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

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).