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A084677
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Position of the first zero in the decimal expansion of sqrt(n).
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0
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0, 2, 14, 5, 2, 5, 17, 11, 16, 2, 10, 10, 6, 3, 36, 12, 2, 6, 7, 13, 37, 16, 4, 26, 52, 2, 2, 12, 6, 9, 11, 13, 16, 14, 4, 5, 2, 2, 8, 18, 10, 3, 4, 12, 10, 3, 20, 9, 6, 2, 2, 48, 6, 4, 49, 11, 32, 13, 9, 15, 19, 4, 5, 21, 2, 2, 5, 24, 17, 3, 6, 19, 16, 5, 3, 4, 11, 17, 7, 19, 9, 2, 2, 4, 16, 19
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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EXAMPLE
| sqrt(24) = 4.8989794855663561963945681494117827839318949613133402, first zero is at position 52.
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PROG
| (PARI) \ zeros in sqrt(p) where p is prime. frootp(n) = { default(realprecision, 100); \ forprime(x=2, n, for(x=0, n, r = sqrt(x); \ print(x" "r); v = Vec(Str(r)); c=-1; for(y=1, 100, c++; if(v[y] == "0", print1(c", "); break) ) ) }
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CROSSREFS
| Sequence in context: A138907 A103979 A183420 * A191995 A168207 A082609
Adjacent sequences: A084674 A084675 A084676 * A084678 A084679 A084680
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KEYWORD
| easy,nonn,base
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AUTHOR
| Cino Hilliard (hillcino368(AT)gmail.com), Jun 29 2003
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