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A076590 First occurrence of n as a term in the continued fraction for zeta(2)=Pi^2/6. 0
1, 6, 12, 5, 37, 23, 8, 56, 83, 14, 107, 128, 111, 121, 20, 171, 346, 172, 57, 45, 607, 641, 968, 925, 239, 291, 44, 659, 396, 233, 186, 1353, 509, 739, 843, 681, 1020, 213, 577, 345, 670, 196, 287, 91, 54, 3510, 910, 800, 3462, 803, 503, 355, 3428, 1157, 247 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

PROG

(PARI) (15000 precision digits) v=contfrac(zeta(2)); a(n)=if(n<0, 0, s=1; while(abs(n-component(v, s))>0, s++); s)

CROSSREFS

Cf. A032523.

Sequence in context: A066401 A335413 A263538 * A113660 A122859 A315773

Adjacent sequences:  A076587 A076588 A076589 * A076591 A076592 A076593

KEYWORD

base,nonn

AUTHOR

Benoit Cloitre, Oct 20 2002

STATUS

approved

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Last modified May 23 03:58 EDT 2022. Contains 353959 sequences. (Running on oeis4.)