ABSTRACT
B2-Sequence N.B. A detailed online essay by S. Finch was the starting point for this entry.
Also called a SIDON SEQUENCE. An INFINITE SEQUENCE of POSITIVE INTEGERS
15b1Bb2Bb3B. . . (1)
such that all pairwise sums
bibj (2)
for i5j are distinct (Guy 1994). An example is 1, 2, 4, 8, 13, 21, 31, 45, 66, 81, 97, 123, 148, 182, 204, 252, 290, 361, ... (Sloane’s A005282).
