login
The OEIS is supported by the many generous donors to the OEIS Foundation.

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A199156 as a constant (usually base 10)

1.28011702782359290004568984555855497965\
5282353653486308567782690084748331971769\
06971859508482629774897

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified January 26 00:15 EST 2025. Contains 380253 sequences.
License Agreements, Terms of Use, Privacy Policy