1669264

Appears in sequences

• Squares of A001076.at n=6A099279
• a(n) = a(n-3) + A001654(n-1) with a(0)=0, a(1)=0 and a(2)=1.at n=17A115730
• A204521(n)^2 = floor[A055812(n)/5]: Squares which written in base 5, with some digit appended, yield another square.at n=13A203719