Total number of square parts in all compositions of n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =13a(5) =30a(6) =69a(7) =156a(8) =348a(9) =769a(10) =1682a(11) =3653a(12) =7884a(13) =16924a(14) =36160a(15) =76944a(16) =163137a(17) =344770a(18) =726533a(19) =1527052a(20) =3202076a(21) =6700096a(22) =13992080a(23) =29167936a(24) =60703424a(25) =126141953a(26) =261754114a(27) =542448645a(28) =1122778124a(29) =2321317916