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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
OFFSET
1,2
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: A335413 A356119 A263538 * A113660 A122859 A315773
KEYWORD
base,nonn
AUTHOR
Benoit Cloitre, Oct 20 2002
STATUS
approved