a(1) = 1, then smallest square not included earlier such that every partial sum is a prime.

Terms

a(0) =1a(1) =4a(2) =36a(3) =576a(4) =144a(5) =2916a(6) =324a(7) =1296a(8) =900a(9) =2304a(10) =3600a(11) =7056a(12) =1764a(13) =8100a(14) =4356a(15) =5184a(16) =9216a(17) =6084a(18) =14400a(19) =15876a(20) =10404a(21) =22500a(22) =20736a(23) =11664a(24) =24336a(25) =12996a(26) =19044a(27) =17424a(28) =32400a(29) =41616