143748

Appears in sequences

• a(n) = 4*n^3.at n=33A033430
• a(n) = 19683*n - 13716.at n=7A157666
• a(n) = floor(1/{(1+n^4)^(1/4)}), where {} = fractional part.at n=32A184536
• Numbers with prime factorization p^2*q^3*r^3 where p, q, and r are distinct primes.at n=15A190106
• Numbers n for which n*n'/(n+n') is an integer, where n' is the arithmetic derivative of n.at n=34A210935
• a(n) = Product_{d|n, d>1} prime(A286378(d)-1).at n=35A317944
• Square array read by antidiagonals: T(n,k) is the number of simple labeled graphs G with vertex set V(G) = {v_1,...,v_n} along with a (coloring) function C:V(G) ->[k] such that v_i adjacent to v_j implies C(v_i) != C(v_j) and i<j implies C(v_i) <= C(v_j); n>=0, k>=0.at n=61A337161
• a(n) = n^3*tau(n).at n=32A386012