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A246754
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Least positive number k such that k^k is at least 10^n digits long.
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0
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1, 10, 57, 387, 2890, 22934, 189482, 1611056, 13993960, 123579654, 1105747503, 10000000000, 91239358932, 838673386122, 7758099162327, 72158973089377, 674359248152535, 6328590417713813, 59611349660814244, 563355446524384647, 5339735395113038337
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OFFSET
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0,2
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LINKS
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FORMULA
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PROG
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(PARI) a(n)= k=floor(sqrt(10^n)); while(#digits(k^k)<10^n, k++); k
n=0; while(n<10, print1(a(n), ", "); n++)
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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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EXTENSIONS
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STATUS
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approved
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