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A335117 Records in A304480. 4

%I

%S 1,3,25,241,505,65521,131041,171865,138181681,6814407601,20174525281,

%T 45185409361,558781423201,685933859521,2601256998740401,

%U 4578654981700801,15571124394460034401,375159113055066740401,124708934978441512498801,127589793288205521873601,8644416283014847832296801,29217965124687229769336641

%N Records in A304480.

%H Seiichi Manyama, <a href="/A335117/b335117.txt">Table of n, a(n) for n = 1..85</a>

%H Project Euler, <a href="https://projecteuler.net/problem=533">Problem 533 - Minimum values of the Carmichael function</a>

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Carmichael_function">Carmichael function</a>

%F a(n) = A304480(A335116(n)).

%F a(n) = A335128(n-1)+1 for n > 2.

%Y Cf. A304480, A335116, A335128.

%K nonn

%O 1,2

%A _Seiichi Manyama_, May 24 2020

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Last modified June 13 06:38 EDT 2021. Contains 344981 sequences. (Running on oeis4.)