A103761 Number of contiguous non-i digits in the counting numbers, for i=2.

2, 12, 14, 1, 1, 1, 1, 1, 1, 1, 1, 6, 19, 19, 19, 19, 19, 19, 22, 29, 22, 2, 2, 1, 2, 2, 2, 2, 2, 2, 9, 29, 29, 29, 29, 29, 29, 21, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2

Offset

2,1

Comments

Write the natural numbers as an infinite sequence of digits, starting at the left; and count the contiguous non-2 digits separated by digits "2".

Links

Table of n, a(n) for n=2..98.

Example

a(1)=2: the two digits ("0" and "1") before the first "2".
a(2)=12: the twelve digits 01(2)345678910111(2)1314... between the first "2" and the "2" of 12.

Crossrefs

Sequence in context: A081539 A141273 A010097 * A286241 A078755 A186647

Adjacent sequences: A103758 A103759 A103760 * A103762 A103763 A103764

Keyword

base,easy,nonn

Author

Alexandre Wajnberg, Mar 28 2005

Status

approved