Singly Even Number

An Even Number of the form $4n+2$ (i.e., an Integer which is Divisible by 2 but not by 4). The first few for $n=0$, 1, 2, ... are 2, 6, 10, 14, 18, ... (Sloane's A016825)

See also Doubly Even Number, Even Number, Odd Number

References

Conway, J. H. and Guy, R. K. The Book of Numbers. New York: Springer-Verlag, p. 30, 1996.

Sloane, N. J. A. Sequence A016825 in ``The On-Line Version of the Encyclopedia of Integer Sequences.'' http://www.research.att.com/~njas/sequences/eisonline.html.