1,1

Table of n, a(n) for n=1..57.

30 is in the sequence because (d=2; 2|30) and 13+17=30.

Cf. A082636, A082637.

Sequence in context: A286758 A106735 A028743 * A100959 A245303 A166982

Adjacent sequences: A082631 A082632 A082633 * A082635 A082636 A082637

easy,nonn

Naohiro Nomoto, May 14 2003

approved