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A254339
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Final digits of A254143 in decimal representation.
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6
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1, 4, 7, 6, 8, 4, 7, 9, 7, 6, 8, 8, 9, 8, 4, 7, 7, 9, 7, 6, 8, 6, 8, 9, 8, 8, 8, 9, 9, 9, 8, 4, 7, 7, 7, 9, 9, 7, 6, 8, 8, 9, 8, 6, 8, 8, 9, 8, 8, 9, 8, 8, 9, 9, 9, 9, 9, 8, 4, 7, 7, 7, 7, 9, 9, 7, 6, 8, 6, 8, 9, 8, 8, 8, 9, 9, 9, 8, 6, 8, 8, 8, 9, 9, 8, 8
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OFFSET
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1,2
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COMMENTS
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LINKS
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PROG
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(Haskell)
a254339 = flip mod 10 . a254143
(PARI) listA237424(lim)=my(v=List(), a, t); while(1, for(b=0, a, t=(10^a+10^b+1)/3; if(t>lim, return(Set(v))); listput(v, t)); a++)
do(lim)=my(v=List(), u=listA237424(lim), t); for(i=1, #u, for(j=1, i, t=u[i]*u[j]; if(t>lim, break); listput(v, t))); apply(n->n%10, Set(v)) \\ Charles R Greathouse IV, May 13 2015
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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