A224819 First occurrence of n consecutive n's in the decimal expansion of Catalan's constant.

2, 107, 1225, 596, 32187, 185043, 20444527, 92589355, 3487283621

Offset

1,1

Comments

Earls sequence for Catalan's constant.

Links

Table of n, a(n) for n=1..9.

Eric Weisstein's World of Mathematics, Catalan's Constant Digits

Eric Weisstein's World of Mathematics, Earls Sequence

Example

C = 0.915...4226..., so
a(1) = 2 (one 1 first appears at digit 2)
a(2) = 107 (two 2s first occur starting at digit 107)

Crossrefs

Cf. A006752 (decimal expansion of Catalan's constant).

Sequence in context: A174409 A340054 A267550 * A156502 A111456 A157067

Adjacent sequences: A224816 A224817 A224818 * A224820 A224821 A224822

Keyword

nonn,base,hard

Author

Eric W. Weisstein, Jul 20 2013

Extensions

a(9) from Eric W. Weisstein, Aug 07 2013

Status

approved