Nontrivial Delannoy numbers that are primes.

Terms

a(0) =13a(1) =41a(2) =61a(3) =113a(4) =181a(5) =313a(6) =421a(7) =613a(8) =761a(9) =1013a(10) =1201a(11) =1289a(12) =1301a(13) =1741a(14) =1861a(15) =2113a(16) =2381a(17) =2521a(18) =3121a(19) =3613a(20) =4513a(21) =5101a(22) =5641a(23) =7321a(24) =8581a(25) =9661a(26) =9941a(27) =10513a(28) =11969a(29) =12641