Numbers n such that the least prime of the form 2nk + 1 has a value of k that is larger than the k values for all smaller n.

A239727

Numbers n such that the least prime of the form 2nk + 1 has a value of k that is larger than the k values for all smaller n.

Terms

    a(0) =1a(1) =4a(2) =12a(3) =19a(4) =59a(5) =92a(6) =159a(7) =227a(8) =256a(9) =514a(10) =706a(11) =1466a(12) =5207a(13) =21209a(14) =62809a(15) =86914a(16) =152351a(17) =170167a(18) =321472a(19) =424783a(20) =491702a(21) =860831a(22) =1415551a(23) =1581442a(24) =2679809a(25) =4691576a(26) =6238447a(27) =6630812a(28) =17886697a(29) =27507569

External references