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A097428 Integer part of the diameters of circles with prime circumferences. +0
1
0, 0, 1, 2, 3, 4, 5, 6, 7, 9, 9, 11, 13, 13, 14, 16, 18, 19, 21, 22, 23, 25, 26, 28, 30, 32, 32, 34, 34, 35, 40, 41, 43, 44, 47, 48, 49, 51, 53, 55, 56, 57, 60, 61, 62, 63, 67, 70, 72, 72, 74, 76, 76, 79, 81, 83, 85, 86, 88, 89, 90, 93, 97, 98, 99, 100, 105, 107, 110, 111, 112 (list; graph; listen)
OFFSET

2,4

FORMULA

Diameter = Circumference/Pi.

EXAMPLE

If C = 5. floor(3/Pi) = 1, the third entry.

PROGRAM

(PARI) f(n) = forprime(x=1, n, print1(floor(x/Pi)", "))

CROSSREFS

Sequence in context: A140595 A063932 A071191 this_sequence A126072 A082463 A072793

Adjacent sequences: A097425 A097426 A097427 this_sequence A097429 A097430 A097431

KEYWORD

nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Aug 22 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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