58419

Appears in sequences

• Expansion of 1/((1-x)(1-4x)(1-7x)(1-11x)).at n=4A021884
• Factorable subsets: the number of proper subsets S of {1,2,...,n} that can be expressed in the form S=A*B, where S is defined to be the set {a(i)*b(j)| a(i) in A, b(j) in B}.at n=29A068594
• Factorable subsets: the number of proper subsets S of {1,2,...,n} that can be expressed in the form S=A*B, where S is defined to be the set {a(i)*b(j)| a(i) in A, b(j) in B}.at n=30A068594