a(n) = least integer m such that the part after the decimal point of the n-th root of m starts with the digit 5.

A034082

a(n) = least integer m such that the part after the decimal point of the n-th root of m starts with the digit 5.

Terms

    a(0) =21a(1) =4a(2) =6a(3) =8a(4) =12a(5) =18a(6) =26a(7) =39a(8) =58a(9) =87a(10) =130a(11) =195a(12) =292a(13) =438a(14) =657a(15) =986a(16) =1478a(17) =2217a(18) =3326a(19) =4988a(20) =7482a(21) =11223a(22) =16835a(23) =25252a(24) =37877a(25) =56816a(26) =85223a(27) =127835a(28) =191752a(29) =287627

External references