810001

Appears in sequences

• a(n) = n^4 + 1.at n=30A002523
• a(1)=0, a(n) is the smallest nonprime > (n-1)^smallest digit of a(n-1).at n=30A158320
• 29 followed by the base-30 Fermat numbers.at n=3A178425
• Semiprimes of the form n^4 + 1.at n=16A186688
• Square array A(m,n) = Resultant(X^m+n,(X+1)^m+n), read by (falling) antidiagonals, m >= 1, n >= 0.at n=40A255831
• a(n) = 1 + sigma(n)^4.at n=28A259308
• a(n) = Sum_{d|n} phi(d)^4.at n=30A342470