

A196461


First position of n in the continued fraction's of Catalan's constant.


1



1, 13, 14, 7, 45, 36, 10, 4, 21, 2, 17, 38, 200, 76, 234, 396, 84, 138, 690, 371, 278, 11, 164, 142, 967, 15, 514, 1214, 1612, 248, 1589, 2193, 53, 1159, 648, 2268, 288, 686, 809, 458, 803, 1235, 573, 707, 5455, 830, 1974, 1728, 3091, 2847, 441, 339, 741, 1778
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OFFSET

1,2


COMMENTS

Smallest positive integers not appearing in the first 970278792 terms of the c.f. are 31516, 31591, 32600, 32806, ...  Eric W. Weisstein, Aug 08 2013


LINKS



EXAMPLE

The simple continued fraction for Catalan's constant (A014538) is [0; 1, 10, 1, 8, 1, 88, 4, 1, 1, 7, 22, 1, 2, 3, ...], so
a(1) = 1 (first 1 occurs at term 1),
a(2) = 13 (first 2 occurs at term 13),
a(3) = 14 (first 3 occurs at term 14).


CROSSREFS

Cf. A014538 (continued fraction of Catalan's constant).


KEYWORD

nonn,hard


AUTHOR



STATUS

approved



