Number of compositions of n into a square number of parts.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =5a(6) =11a(7) =21a(8) =36a(9) =58a(10) =94a(11) =166a(12) =331a(13) =716a(14) =1574a(15) =3368a(16) =6892a(17) =13447a(18) =25127a(19) =45391a(20) =80428a(21) =142615a(22) =259085a(23) =491855a(24) =982400a(25) =2045001a(26) =4352661a(27) =9291361a(28) =19609786a(29) =40574017