22705

Appears in sequences

• Quadruples of different integers from [ 1,n ] with no common factors between triples.at n=31A015625
• a(n) = (1/12)*(n+1)*(n^3+19*n^2+118*n+228).at n=19A092327
• Numbers k such that 63*10^k + 1 is prime.at n=22A271361
• Number of nX3 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=8A281797