login
Multiples of 123456789.
4

%I #20 Jun 20 2024 22:36:37

%S 123456789,246913578,370370367,493827156,617283945,740740734,

%T 864197523,987654312,1111111101,1234567890,1358024679,1481481468,

%U 1604938257,1728395046,1851851835,1975308624,2098765413,2222222202,2345678991

%N Multiples of 123456789.

%D W. Lietzmann, Sonderlinge im Reich der Zahlen, Ferd. Duemmlers Verlag Bonn, 1948, p. 29.

%H Michael De Vlieger, <a href="/A053654/b053654.txt">Table of n, a(n) for n = 1..10000</a>

%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>

%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).

%F a(n) = 2*a(n-1) - a(n-2). - _Wesley Ivan Hurt_, Apr 25 2023

%t Array[123456789 # &, 19] (* _Michael De Vlieger_, May 15 2018 *)

%o (PARI) a(n)=123456789*n \\ _Charles R Greathouse IV_, Jul 10 2016

%Y Subsequence of A008591.

%K easy,nonn

%O 1,1

%A Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Feb 17 2000