885481

Appears in sequences

• Composite numbers with both 10 and -10 as primitive root.at n=32A218766
• Determinant of the n X n (0,1)-matrix with (i,j)-entry equal to 1 if and only if i + j is 2 or an odd composite number.at n=40A228591
• Number of (1+1) X (n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.at n=10A231765
• Numbers k such that sigma(k^3) is prime.at n=25A279096
• Squares whose base-3 expansion has no 0.at n=28A363428