This entity uses the keyword dumb to describe things which are unimportant or do not relate to mathe- matics, and it uses cofr to describe continued fraction expansions.
A blog post by Philippe Guglielmetti used this thing to determine which numbers are interesting and which are not. This entity uses the keyword dumb to describe things which are unimportant or do not relate to mathe- matics, and it uses cofr to describe continued fraction expansions. One entry in this entity consists of the nth term of the nth entry in this entity. The 100,000th entry in this entity counts the number of marks on the Ishango bone, while the rst counts the number of groups of order n. For ten points, identify this database created by Neil Sloane which catalogues certain lists of numbers. 
A blog post by Philippe Guglielmetti used this thing to determine which numbers are interesting and which are not.
On-line Encyclopedia of Integer Sequences 