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A123873
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Similar to A123872 but with a(0)=4 as seed.
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0
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OFFSET
| 0,1
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EXAMPLE
| a(0)=4
a(1)=6 because 4*6 = 24
a(2)=26 because 24*26 = 624
a(3)=126 because 624*126 = 78624
a(4)=3126 because 78624*3126 = 245778624
a(5)=15625001 because 245778624*15625001 = 3840291245778624
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MAPLE
| P:=proc(n) local i, j, k; k:=0; j:=n; while j>0 do j:=trunc(j/10); k:=k+1; od; for i from 2 by 1 to n^2 do j:=((n*(i-1)) mod (10^k)); if j=0 then print(i, n*i); break; fi; od; end: P(624);
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CROSSREFS
| Sequence in context: A159557 A176756 A054094 * A193689 A099941 A074120
Adjacent sequences: A123870 A123871 A123872 * A123874 A123875 A123876
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KEYWORD
| nonn
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AUTHOR
| Paolo P. Lava & Giorgio Balzarotti (paoloplava(AT)gmail.com), Oct 16 2006, Oct 24 2006
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