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Search: id:A088576
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| A088576 |
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Position of the first location of n in the decimal expansion of e. |
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+0
2
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| 14, 3, 1, 18, 11, 12, 21, 2, 4, 13, 196, 201, 371, 28, 224, 202, 95, 89, 3, 109, 112, 88, 253, 17, 34, 93, 31, 1, 5, 132, 72, 190, 111, 143, 144, 18, 20, 271, 86, 107, 67, 125, 98, 135, 240, 11, 104, 26, 229, 35, 236, 94, 16, 19, 77, 302, 154, 39, 326, 12, 21, 243, 33
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Except for a(0), the same as A051238.
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..10000
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EXAMPLE
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The first 7 is in the 2nd position of the digits of e, so a(7) = 2.
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PROGRAM
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(PARI) trajedigitsd(n, m) = { default(realprecision, 6000); p = exp(1)*10^5000; v = Vec(Str(p)); for(d=0, m, for(x=1, n, if(d<10, y = eval(v[x]), if(d<100, y = eval(v[x])*10 + eval(v[x+1]), if(d<1000, y = eval(v[x])*100 + eval(v[x+1])*10 + eval(v[x+2]), y = eval(v[x])*1000 + eval(v[x+1])*100 + eval(v[x+2])*10 + eval(v[x+3]) ); ); ); if(y == d, print1(x", "); break); ); ) }
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CROSSREFS
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Cf. A032445 (positions in pi), A088577 (positions in phi)
Sequence in context: A037923 A040195 A040189 this_sequence A040190 A163647 A060782
Adjacent sequences: A088573 A088574 A088575 this_sequence A088577 A088578 A088579
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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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