41225

Appears in sequences

• Numbers k such that k^2 is formed from two subsquares that overlap in a single digit.at n=16A048422
• a(n) = Sum_{k=1..n} binomial(prime(n),k).at n=6A064811
• a(n) = C(n,7) + C(n,6) + C(n,5) + C(n,4) + C(n,3) + C(n,2) + C(n,1).at n=17A116082
• a(1) = 50 and for any n > 0, a(n+1)^2 is the smallest square that begins with a(n).at n=27A309123