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A256360
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Numbers that are multiple-digit narcissistic numbers in exactly one base.
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9
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5, 8, 10, 13, 18, 20, 25, 26, 32, 35, 37, 40, 41, 43, 52, 53, 55, 58, 61, 62, 65, 68, 72, 80, 82, 83, 90, 92, 97, 98, 99, 101, 104, 109, 113, 117, 118, 122, 127, 128, 134, 146, 148, 152, 162, 170, 173, 178, 180, 181, 185, 190, 197, 205, 221, 225
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OFFSET
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1,1
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COMMENTS
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See A258273 for the corresponding bases.
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LINKS
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EXAMPLE
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a(1) = 5 because this is the first number that is a multiple-digit narcissistic number in exactly one base (3).
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PROG
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(PARI) for(n=3, 1000000, k=0; for(z=2, n, y=n; j=0; L=List(); until(y==0, x=y%z; j++; listinsert(L, x, j); while(!((y%z)==0), y--); y=y/z); t=0; for(p=1, j, t+=L[p]^j); if(n==t, k++)); if(k==1, print1(n, ", ")))
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CROSSREFS
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Cf. A256359 (every number of bases).
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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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