a(1) = 2, a(2) = 3 and a(n) = the smallest prime which is a linear combination of all previous terms with all coefficients >= 1.

A072537

a(1) = 2, a(2) = 3 and a(n) = the smallest prime which is a linear combination of all previous terms with all coefficients >= 1.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =13a(4) =23a(5) =53a(6) =101a(7) =211a(8) =419a(9) =839a(10) =1669a(11) =3343a(12) =6689a(13) =13381a(14) =26759a(15) =53527a(16) =107053a(17) =214129a(18) =428221a(19) =856459a(20) =1712899a(21) =3425803a(22) =6851617a(23) =13703231a(24) =27406471a(25) =54812957a(26) =109625881a(27) =219251761a(28) =438503537a(29) =877007063

External references