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A067691 a(n) = (a(n-1) + 1)^(n-1) for n > 0, a(0) = 0. 0

%I

%S 0,1,2,9,1000,1004006004001,

%T 1020191144865623440455270145683555422808365843606721760320032

%N a(n) = (a(n-1) + 1)^(n-1) for n > 0, a(0) = 0.

%e Given a(3) = 9: a(4) = (a(4-1)+1)^(4-1) = (9+1)^3 = 1000.

%Y Cf. A004019.

%K nonn

%O 0,3

%A _Reinhard Zumkeller_, Feb 04, 2002

%E a(7) has 361 digits.

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Last modified August 26 05:23 EDT 2019. Contains 326328 sequences. (Running on oeis4.)