143955domain: NAppears in sequencesNumber of bipartite graphs with 4 edges on nodes {1..n}.at n=10A053527Number of primes of the form (x+1)^7 - x^7 less than 10^n.at n=38A221977Number of integer partitions of n with at least two but not all parts having a common divisor greater than 1.at n=47A303139