Array A(n, k) read by antidiagonals downwards: k-th base-n non-repunit prime p such that all numbers resulting from switching any two adjacent digits in the base-n representation of p are prime, where k runs over the positive integers, i.e., the offset of k is 1.

A298643

Array A(n, k) read by antidiagonals downwards: k-th base-n non-repunit prime p such that all numbers resulting from switching any two adjacent digits in the base-n representation of p are prime, where k runs over the positive integers, i.e., the offset of k is 1.

Terms

    a(0) =11a(1) =191a(2) =2a(3) =223a(4) =5a(5) =2a(6) =227a(7) =7a(8) =3a(9) =2a(10) =2111a(11) =17a(12) =7a(13) =3a(14) =2a(15) =3847a(16) =31a(17) =13a(18) =7a(19) =3a(20) =2a(21) =229631a(22) =41a(23) =23a(24) =11a(25) =5a(26) =3a(27) =2a(28) =246271a(29) =53

External references