80625

Appears in sequences

• a(n) = (4*(n+5)^n + n^n)/5.at n=5A083304
• Expansion of Product_{k>=1} (1-x^k)*(1+x^k)^4.at n=33A261998
• Numbers n not divisible by 100 such that both concat(1,n) and concat(6,n) are squares.at n=0A264805
• a(n) = smallest k with concat(1,k) and concat(n,k) both square numbers.at n=6A265432
• a(n) = smallest k with concat(1,k) and concat(n,k) both square numbers.at n=24A265432
• Numbers n such that n^3 +/- 2 and 3*n +/- 2 are all prime.at n=6A268475