A class of conjectured series representations for .
A common generating function for Catalan numbers and other integer sequences.
A natural extension of Catalan numbers.
A note on a one-parameter family of Catalan-like numbers.
A recursive formula for the Kolakoski sequence A000002.
A slow-growing sequence defined by an unusual recurrence.
Abundancy “outlaws” of the form .
Abundant numbers and the Riemann hypothesis.
Aliquot sequence 3630 ends after reach 100 digits.
An improved estimate concerning 3n+1 predecessor sets