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A079043 a(0)=1, then the fractional part of Pi*a(n) decreases monotonically to zero. 1
1, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 78, 85, 92, 99, 106, 219, 332, 445, 558, 671, 784, 897, 1010, 1123, 1236, 1349, 1462, 1575, 1688, 1801, 1914, 2027, 2140, 2253, 2366, 2479, 2592, 2705, 2818, 2931, 3044, 3157, 3270, 3383, 3496, 3609, 3722, 3835, 3948 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

See PARI program for a more precise definition. - N. J. A. Sloane, May 03 2014

Question: what is the largest term before consecutive terms differ by a number > 113? - J. Lowell, Apr 16 2014

Answer: 33102 at index 306. - Michel Marcus, Apr 25 2014

LINKS

Michel Marcus, Table of n, a(n) for n = 0..327

PROG

(PARI) x=1; y=1; f(v)=v*Pi; a(n)=if(n<0, 0, b=y+1; while(frac(f(b))>frac(f(x)), b++); x=b; y=b; b)

CROSSREFS

Cf. A001519.

Sequence in context: A003331 A345783 A016993 * A291747 A024734 A024956

Adjacent sequences:  A079040 A079041 A079042 * A079044 A079045 A079046

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Feb 01 2003

STATUS

approved

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Last modified November 29 12:24 EST 2021. Contains 349416 sequences. (Running on oeis4.)