69762

Appears in sequences

• Numbers with exactly 5 distinct prime factors each of which is a palindrome.at n=14A046403
• a(n) = 64*n^2 + 2*n.at n=33A158070
• Triangle, read by rows, T(n, k) = Sum_{j=0..k} (-1)^j*(n+k)!/((n-j)!*(k-j)!*j!).at n=26A176092
• Fourth accumulation array, T, of the natural number array A000027, by antidiagonals.at n=58A185509
• Total area of the shadows of the three views of the shell model of partitions, version "Tree", with n shells.at n=25A210980
• Let x(1)x(2)...x(q) the decimal expansion of the numbers k having exactly q distinct prime divisors p(1) < p(2) < ... < p(q). Sequence lists the numbers k such that p(1)/x(1) + p(2)/x(2) + ... + p(q)/x(q) is an integer.at n=21A235152