a(n) = Sum_{k=0..n} p(k)*q(k), where p(k) = partition numbers (A000041) and q(k) = partition numbers into distinct parts (A000009).

A265096

a(n) = Sum_{k=0..n} p(k)*q(k), where p(k) = partition numbers (A000041) and q(k) = partition numbers into distinct parts (A000009).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =20a(5) =41a(6) =85a(7) =160a(8) =292a(9) =532a(10) =952a(11) =1624a(12) =2779a(13) =4597a(14) =7567a(15) =12319a(16) =19711a(17) =30997a(18) =48707a(19) =75167a(20) =115295a(21) =175487a(22) =264665a(23) =395185a(24) =587335a(25) =865371a(26) =1267311a(27) =1845231a(28) =2670627a(29) =3839267

External references