Sum of products of squares of parts in all partitions of n.

Terms

a(0) =1a(1) =1a(2) =5a(3) =14a(4) =46a(5) =107a(6) =352a(7) =789a(8) =2314a(9) =5596a(10) =14734a(11) =34572a(12) =92715a(13) =210638a(14) =531342a(15) =1250635a(16) =3042596a(17) =6973974a(18) =16973478a(19) =38399806a(20) =91301956a(21) =207992892a(22) =483244305a(23) =1089029008a(24) =2533640066a(25) =5642905974a(26) =12912848789a(27) =28893132440a(28) =65342580250a(29) =144803524640