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Search: id:A088565
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| A088565 |
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Primes p such that the p-th digit in the decimal expansion of Pi is 1. |
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+0
1
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| 2, 41, 139, 149, 199, 239, 251, 397, 433, 439, 443, 491, 569, 599, 641, 647, 661, 787, 853, 883, 1031, 1087, 1097, 1153, 1187, 1319, 1423, 1613, 1619, 1637, 1657, 1667, 1697, 1759, 1789, 2081, 2129, 2143, 2221, 2239, 2459, 2633, 2689, 2741, 2753, 2777
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The 2nd 1 in Pi is in the 2nd place of the digits 3,1,4,1,5,...
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PROGRAM
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(PARI) pizeros(n, d) = { default(realprecision, 5000); p = Pi; v = Vec(Str(p)); for(x=1, n, if(v[x] == Str(d) && isprime(x-1), print1(x-1", ")) ) }
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CROSSREFS
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Cf. A014976.
Sequence in context: A103335 A047936 A007533 this_sequence A090195 A063271 A142160
Adjacent sequences: A088562 A088563 A088564 this_sequence A088566 A088567 A088568
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KEYWORD
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nonn,base
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Nov 19 2003
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