136937

Appears in sequences

• a(n) = concatenation of n^2 and n.at n=36A055436
• a(n) = 1369*n^2 + 37.at n=10A158741
• G.f.: 1/(1 - x*(1-x^5)/(1 - x^2*(1-x^6)/(1 - x^3*(1-x^7)/(1 - x^4*(1-x^8)/(1 - x^5*(1-x^9)/(1 - ...)))))), a continued fraction.at n=25A227374