login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A109212 In the decimal expansion of Pi, length of subsequence with sum = 100. 3
20, 22, 18, 18, 19, 19, 19, 22, 22, 22, 20, 19, 21, 21, 21, 22, 25, 22, 24, 23, 24, 24, 23, 23, 25, 24, 26, 25, 25, 26, 27, 27, 26, 29, 29, 26, 27, 26, 26, 25, 24, 21, 21, 20, 19, 20, 20, 20, 20, 20, 20, 20, 19, 21, 24, 23, 23, 23, 23, 22, 21, 23, 23, 25, 26, 26, 25, 26, 26 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Average length is about 100/4.5=22.22 because average decimal digit is about 4.5. Cf. A109210, A109211 (resp.) In the decimal expansion of Pi, position of the first, last (resp.) digit of subsequence with total sum = 100.

FORMULA

A109212(n)=A109211(n)-A109210(n)+1.

CROSSREFS

Cf. A109210, A109211.

Sequence in context: A041837 A041838 A128356 * A050653 A095453 A095449

Adjacent sequences:  A109209 A109210 A109211 * A109213 A109214 A109215

KEYWORD

base,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jun 22 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 18:22 EST 2012. Contains 205835 sequences.