login
A099913
Related to the Herschel graph.
1
1, 3, 25, 243, 2425, 24243, 242425, 2424243, 24242425, 242424243, 2424242425, 24242424243, 242424242425, 2424242424243, 24242424242425, 242424242424243, 2424242424242425, 24242424242424243, 242424242424242425
OFFSET
0,2
COMMENTS
Binomial transform is A099912.
FORMULA
G.f. : (1-7x-6x^2)/((1-x^2)(1-10x)); a(n)=10a(n-1)+a(n-2)-10a(n-3); a(n)=(-1)^n/11+8*10^n/33+2/3.
CROSSREFS
Sequence in context: A346539 A350224 A171640 * A245925 A260209 A086655
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Oct 30 2004
STATUS
approved