A136010 solved

[Don Reble]

Seqfans, njas, Jordan:

> %I A136010
> %S A136010 20,9,243,1782,14661,118665,962604,7806213,63306927,513404406
> %N A136010 From an online IQ test (Adaptive IQ ). Solution not known
>            to the submitter.

     a(1)=20, a(2)=9, a(n+2) = 7*a(n+1) + 9*a(n).

     Quick puzzle: What's lim (n->+inf) a(n+1)/a(n) ?

-- 
Don Reble  djr at nk.ca



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