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Search: id:A084676
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| A084676 |
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Position of the first zero in the decimal expansion of the square root of the n-th prime. |
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+0
1
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| 14, 5, 5, 11, 10, 3, 6, 13, 26, 9, 13, 2, 3, 12, 9, 4, 15, 4, 24, 19, 5, 19, 4, 11, 9, 1, 1, 1, 1, 1, 23, 18, 4, 40, 4, 7, 9, 13, 14, 16, 6, 9, 5, 16, 3, 4, 9, 12, 3, 11, 18, 14, 14, 27, 3, 11, 4, 6, 12, 6, 7, 34, 48, 9, 7, 4, 7, 11, 9, 16, 12, 50, 9, 7, 18, 5, 6, 34, 1, 1, 1, 1, 1, 1, 1, 3, 8
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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sqrt(1213) = 34.82814953453599722269575212191436263382649518168323557106085786016708, first zero is at position 57.
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PROGRAM
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(PARI) \ zeros in sqrt(p) where p is prime. frootp(n) = { default(realprecision, 100); forprime(x=2, 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
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Cf. A074850.
Sequence in context: A040188 A040186 A124600 this_sequence A068609 A118780 A051655
Adjacent sequences: A084673 A084674 A084675 this_sequence A084677 A084678 A084679
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KEYWORD
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easy,nonn,base
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Jun 29 2003
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