241864704

Appears in sequences

• For an integer n with prime factorization p_1*p_2*p_3* ... *p_m let n* = (p_1+1)*(p_2+1)*(p_3+1)* ... *(p_m+1); sequence gives n* such that n* is divisible by n, ordered by increasing value of n.at n=27A064518
• Third column of triangle A067410 and second column of A067417.at n=11A067411
• a(n) = (2*n+1) * (2*n)! / (sqrt(4*(n+1)*Product_{k=1..2*n+1} lcm(k, 2*n+2-k))).at n=24A082292
• a(n) = (5*6^n+(-6)^n)/6.at n=11A083223
• a(n) = 6*a(n-2) for n > 2; a(1) = 1, a(2) = 4.at n=21A164532
• a(n) = 6*a(n-2) for n > 2; a(1) = 4, a(2) = 1.at n=20A166027
• Product of the nonzero digits (in base 10) of n^5.at n=22A218311
• a(0)-a(5) are -1, 0, 1, 12, -432, 93312; thereafter a(n) = (144*a(n-3)*a(n-1)+432*a(n-2)^2)/a(n-4).at n=6A241593
• Number of permutations p of [n] such that p(i)-i is a multiple of ten for all i in [n].at n=31A275065
• Number of ways to tile a double-hexagon strip of n hexagons, using single and double hexagons.at n=33A354541
• Numbers whose number of divisors is coprime to 210.at n=11A358001
• Squares k such that phi(k) is a cube.at n=25A358051
• Numbers with 11 odd divisors.at n=17A368950
• Numbers that set records in A379592.at n=23A379593
• For an integer k with prime factorization p_1*p_2*p_3* ... *p_m let k* = (p_1+1)*(p_2+1)*(p_3+1)* ... *(p_m+1); sequence gives k* such that k* is divisible by k.at n=27A380574
• Powers k^m, m > 1, where k is an Achilles number that is a product of primorials.at n=18A389260