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A173606 a(1) = 1, for n >= 2; a(n) = the smallest number h such that tau(h) = A000005(h) = 2 * a(n-1). 8

%I #2 Mar 30 2012 19:00:22

%S 1,2,6,60,55440

%N a(1) = 1, for n >= 2; a(n) = the smallest number h such that tau(h) = A000005(h) = 2 * a(n-1).

%C The next term is too large to include.

%F A000005(a(n)) = 2 * a(n-1) for n >= 2.

%Y Cf. A014221, A173603, A173604, A173605, A173607, A173608, A173609, A171959, A173011.

%K nonn

%O 1,2

%A _Jaroslav Krizek_, Nov 06 2010

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Last modified June 15 09:53 EDT 2024. Contains 373407 sequences. (Running on oeis4.)