38210

Appears in sequences

• Numbers k such that sigma(k+2) = sigma(k).at n=36A007373
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 12.at n=35A031600
• Upper (2/3)-midsequence of A000032 (Lucas numbers) and A000045 (Fibonacci numbers); see Comments.at n=22A389122