A076589 First occurrence of n as a term in the continued fraction for sqrt(Pi).

1, 4, 3, 20, 43, 7, 32, 54, 40, 86, 91, 29, 10, 363, 705, 169, 341, 14, 181, 81, 307, 574, 153, 234, 175, 477, 552, 9, 2550, 743, 801, 2245, 239, 360, 402, 44, 1985, 1682, 395, 1074, 331, 285, 1278, 2097, 384, 3972, 857, 2240, 146, 9736, 924, 1690, 350, 1445

Offset

1,2

Links

Table of n, a(n) for n=1..54.

Prog

(PARI) default(realprecision, 1500); v=contfrac(sqrt(Pi)); a(n)=if(n<0, 0, s=1; while(abs(n-component(v, s))>0, s++); s)

Crossrefs

Cf. A032523, A058280.

Sequence in context: A270797 A280615 A281042 * A275679 A326818 A259229

Adjacent sequences: A076586 A076587 A076588 * A076590 A076591 A076592

Keyword

nonn

Author

Benoit Cloitre, Oct 20 2002

Status

approved