X-coordinates of the lower envelope of A373330.

Terms

a(0) =5a(1) =10a(2) =136a(3) =153a(4) =306a(5) =428a(6) =623a(7) =763a(8) =4072a(9) =8580a(10) =9964a(11) =22373a(12) =25571a(13) =109408a(14) =190619a(15) =276532a(16) =314223a(17) =463097a(18) =2256531a(19) =2791875a(20) =4325972a(21) =14492546a(22) =20201957a(23) =28465976a(24) =64084574a(25) =72478694a(26) =109821726a(27) =543521049a(28) =65927493216a(29) =105027578781