Smallest prime larger than 2^n whose digits begin with those of 2^n.

Terms

a(0) =11a(1) =23a(2) =41a(3) =83a(4) =163a(5) =3203a(6) =641a(7) =1283a(8) =25601a(9) =51203a(10) =10243a(11) =20483a(12) =40961a(13) =81929a(14) =163841a(15) =327689a(16) =6553621a(17) =1310723a(18) =2621447a(19) =5242883a(20) =10485767a(21) =20971529a(22) =41943049a(23) =838860817a(24) =167772161a(25) =335544323a(26) =6710886407a(27) =1342177283