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A123875 Similar to A123872 but with a(0)=8 as seed. 1
8, 6, 26, 626, 15626, 1562500001 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

G. Balzarotti and P. P. Lava, Le sequenze di numeri interi, Hoepli, 2008, p. 99.

LINKS

Table of n, a(n) for n=0..5.

EXAMPLE

a(0)=8;

a(1)=6 because 8*6 = 48;

a(2)=26 because 48*26 = 1248;

a(3)=626 because 1248*626 = 781248;

a(4)=15626 because 781248*15626 = 12207781248.

MAPLE

P:=proc(q, h) local a, b, k, n; a:=h; b:=ilog10(a)+1; print(h);

for k from 1 to 10 do for n from 2 to q do

if ((a*n) mod 10^b)=a then print(n); a:=a*n; b:=ilog10(a)+1;

break; fi; od; od; end: P(10^9, 8);

CROSSREFS

Sequence in context: A300885 A300941 A075486 * A217479 A301495 A112145

Adjacent sequences:  A123872 A123873 A123874 * A123876 A123877 A123878

KEYWORD

nonn,base,more

AUTHOR

Paolo P. Lava and Giorgio Balzarotti, Oct 17 2006, Oct 24 2006

STATUS

approved

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Last modified February 16 21:59 EST 2019. Contains 320200 sequences. (Running on oeis4.)