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A278479 a(n) is the smallest k such that the 2-adic valuation of A000041(k) equals n. 2

%I #10 Dec 19 2016 11:11:00

%S 0,2,26,11,15,70,66,109,154,478,441,96,3693,15005,66934,99420,18978,

%T 43002,55943,972190,1151214,2799146,26801784,46632889,15519397,

%U 122101417,210553237,289585489,473093534

%N a(n) is the smallest k such that the 2-adic valuation of A000041(k) equals n.

%C a(n) is the smallest k such that A278478(k) = n.

%C Next term > 10^9.

%H Joerg Arndt, <a href="http://jjj.de/fxt/demo/seq/#A278479">C++ program for this sequence</a>

%Y Cf. A278478.

%K nonn,more

%O 0,2

%A _Joerg Arndt_, Nov 23 2016

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Last modified April 18 08:27 EDT 2024. Contains 371769 sequences. (Running on oeis4.)