Primes of the form 41+(n+n^2)/2=41+A000217(n).

Terms

a(0) =41a(1) =47a(2) =107a(3) =251a(4) =317a(5) =419a(6) =569a(7) =821a(8) =1031a(9) =1217a(10) =1367a(11) =1637a(12) =1811a(13) =1871a(14) =3527a(15) =5501a(16) =5927a(17) =6257a(18) =6827a(19) =8297a(20) =8819a(21) =9221a(22) =10337a(23) =14747a(24) =17807a(25) =20747a(26) =21569a(27) =22619a(28) =25919a(29) =28961