Least non-partition into positive n-th powers.

Terms

a(0) =4a(1) =7a(2) =16a(3) =35a(4) =87a(5) =217a(6) =549a(7) =1412a(8) =3678a(9) =9621a(10) =25296a(11) =66736a(12) =176536a(13) =467997a(14) =1242483a(15) =3302289a(16) =8784053a(17) =23380493a(18) =62260291a(19) =165852147a(20) =441922282a(21) =1177759339a(22) =3139292093a(23) =8368647138a(24) =22310795824a(25) =59484268377a(26) =158602342445a(27) =422894828107