Heinz numbers of integer partitions whose sum of reciprocals squared is 1.

Terms

a(0) =2a(1) =81a(2) =8775a(3) =64827a(4) =950625a(5) =1953125a(6) =7022925a(7) =9055935a(8) =21781575a(9) =36020025a(10) =50124555a(11) =51883209a(12) =57909033a(13) =102984375a(14) =118978125a(15) =760816875a(16) =816747435a(17) =981059625a(18) =1206902781a(19) =1265058675a(20) =1387132263a(21) =2359670625a(22) =3902169375a(23) =4868424351a(24) =5222768733a(25) =5430160125