A224816 Number of times the digit 7 appears in the first 10^n digits of Catalan's constant.

0, 11, 124, 1032, 10028, 100083, 1000510, 10003863, 100000576

Offset

1,2

Links

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

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

Crossrefs

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

Cf. A224615 (number of times the digit 0 appears).

Cf. A224616 (number of times the digit 1 appears).

Cf. A224696 (number of times the digit 2 appears).

Cf. A224706 (number of times the digit 3 appears).

Cf. A224717 (number of times the digit 4 appears).

Cf. A224774 (number of times the digit 5 appears).

Cf. A224775 (number of times the digit 6 appears).

Cf. A224816 (this sequence).

Cf. A224817 (number of times the digit 8 appears).

Cf. A224818 (number of times the digit 9 appears).

Sequence in context: A039438 A258843 A015593 * A015594 A209605 A362675

Adjacent sequences: A224813 A224814 A224815 * A224817 A224818 A224819

Keyword

nonn,hard,base

Author

Eric W. Weisstein, Jul 20 2013

Status

approved