Numbers k such that A001414(k+1) = A001414(k)+1 and A001414(k)^2+3*A001414(k)+1 is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =20a(4) =24a(5) =1104a(6) =1274a(7) =2079a(8) =4345a(9) =13775a(10) =14905a(11) =20220a(12) =23408a(13) =25592a(14) =35167a(15) =49230a(16) =61456a(17) =66585a(18) =68479a(19) =75648a(20) =76640a(21) =121539a(22) =172255a(23) =194403a(24) =200384a(25) =229581a(26) =233090a(27) =236282a(28) =238017a(29) =247475