Number of representations of n as m_1/1 + m_2/2 + ... + m_n/n where m_i are nonnegative integers.

A208480

Number of representations of n as m_1/1 + m_2/2 + ... + m_n/n where m_i are nonnegative integers.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =55a(4) =196a(5) =2730a(6) =10032a(7) =108999a(8) =973258a(9) =20780331a(10) =79309308a(11) =2614200602a(12) =10073335754a(13) =288845706742

External references