68445

Appears in sequences

• Number of intersections of at least four edges in a cube of n X n X n smaller cubes.at n=39A126562
• Numbers n such that phi(n) = phi(n+7), with Euler's totient function phi = A000010.at n=33A179189
• Number of partitions of n such that the number of parts and the greatest part are not coprime.at n=48A200792
• Odd numbers of the form (m*k)^2/(m^2-k^2) for distinct integers m and k.at n=34A259288
• Number of compositions of n into parts with distinct multiplicities and with exactly nine parts.at n=35A321779
• Odd numbers k such that A173557(k) divides nonzero A051709(k).at n=8A345054
• First component A of the pairs (A, B), listed in increasing order, such that the multiset of digits of A union the multiset of digits of B equals the multiset of digits of A^2 and the multiset of digits of B^2, for some B >= A. Note that terms may be repeated.at n=33A389379