Positive numbers k at which min{abs(2^k - 10^y)/10^y: y in Z} reaches a new minimum.

Terms

a(0) =1a(1) =2a(2) =3a(3) =10a(4) =93a(5) =196a(6) =485a(7) =2136a(8) =13301a(9) =28738a(10) =42039a(11) =70777a(12) =254370a(13) =325147a(14) =6107016a(15) =6432163a(16) =44699994a(17) =51132157a(18) =146964308a(19) =198096465a(20) =345060773a(21) =1578339557a(22) =1923400330a(23) =82361153417a(24) =496090320832a(25) =578451474249