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A014936 a(1)=1, a(n)=n*19^(n-1)+a(n-1). 2

%I

%S 1,39,1122,28558,680163,15536757,344857924,7495831836,160347899205,

%T 3387224876995,70828953712806,1468712060491434,30241806008351527,

%U 618983574479950353,12604083861223212168,255502116339219984952

%N a(1)=1, a(n)=n*19^(n-1)+a(n-1).

%F a(n)=(1/324)*[1+19^n*(18*n-1)], with n>=0 [From _Paolo P. Lava_, Jan 13 2009]

%t RecurrenceTable[{a[1]==1,a[n]==n*19^(n-1)+a[n-1]},a,{n,20}] (* _Harvey P. Dale_, Oct 01 2012 *)

%K nonn,easy

%O 1,2

%A _Olivier GĂ©rard_

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Last modified April 20 14:27 EDT 2019. Contains 322310 sequences. (Running on oeis4.)