273614

Appears in sequences

• Number of partitions of n of the form a_1*b_1^2 + a_2*b_2^2 + ...; number of semisimple rings with p^n elements for any prime p.at n=44A004101
• Number of lattice paths from (0,0) to (n,n) that consist of steps (h,v) with h, v prime or one.at n=12A308240