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A204532 Largest prime factors of zerofull restricted pandigital numbers A050278. 1

%I #16 Oct 30 2018 10:31:02

%S 5689,1283,113717431,15683,4919,16245349,113717521,3344633,5415121,

%T 80309,546719,71341,37905877,113717633,277,28429411,1006351,6473,8353,

%U 393487,18679,599,1403923,693401,113718421,56859211,113718431,17827,56859221,2145631,37906207

%N Largest prime factors of zerofull restricted pandigital numbers A050278.

%C Largest term is a(3265903)=1097393447.

%C In defense of this sequence, let me say that when one is studying a sequence for which no formula or recurrence is known, one line of attack is to look at the largest prime factors of the terms. This might reveal some hidden property, or suggest a connection with a different sequence. - _N. J. A. Sloane_, Jan 17 2012

%H Zak Seidov, <a href="/A204532/b204532.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A050278, A178775.

%K nonn,fini,base

%O 1,1

%A _Zak Seidov_, Jan 16 2012

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Last modified April 25 13:12 EDT 2024. Contains 371969 sequences. (Running on oeis4.)