A103757 Number of contiguous non-i digits in the counting numbers, for i=0.

10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 29, 29, 29, 29, 29, 29, 29, 29, 28, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 29, 29, 29, 29, 29, 29, 29, 29, 28

Offset

1,1

Comments

Write the natural numbers as an infinite sequence of digits, starting at the left; and count the contiguous non-0 digits separated by digits 0.

Links

Table of n, a(n) for n=1..48.

Example

a(1)=10: the ten digits (0)1234567891(0)1112... in between the first two "0"'s of the counting numbers.
a(2)=19: the 19 digits ...1(0)1112131415161718192(0)212223... between the "0" of 10 and the "0" of 20.

Crossrefs

Sequence in context: A173822 A122607 A113703 * A287058 A061016 A038366

Adjacent sequences: A103754 A103755 A103756 * A103758 A103759 A103760

Keyword

base,easy,nonn

Author

Alexandre Wajnberg, Mar 28 2005

Status

approved