45912

Appears in sequences

• Number of ordered quadruples of integers from [ 2,n ] with no common factors between triples.at n=35A015639
• a(n) = a(n-1) + a(n-2) + 3*a(n-3), with a(0) = 1, a(1) = 0, a(2) = 1.at n=17A103143
• Number of compositions of n such that no two adjacent parts are equal, allowing 0.at n=11A114900
• Number of permutations of length n which avoid the patterns 123 and 4312.at n=31A116699
• Number of nX2 0..1 arrays with no more than floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.at n=14A222354