Number of digits in the n-th Woodall prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =11a(4) =25a(5) =27a(6) =37a(7) =40a(8) =78a(9) =112a(10) =119a(11) =142a(12) =157a(13) =229a(14) =251a(15) =1603a(16) =2339a(17) =2874a(18) =3731a(19) =4768a(20) =5690a(21) =6920a(22) =6930a(23) =29725a(24) =43058a(25) =45468a(26) =200815a(27) =359799a(28) =382007a(29) =441847