a(n) = smallest prime number p_k such that 1/p_n + 1/p_{n+1} + ... + 1/p_k > 1.

Terms

a(0) =5a(1) =29a(2) =109a(3) =347a(4) =857a(5) =1627a(6) =2999a(7) =4931a(8) =7759a(9) =11677a(10) =16111a(11) =22229a(12) =29269a(13) =37717a(14) =48527a(15) =61057a(16) =75503a(17) =91463a(18) =110567a(19) =131671a(20) =155509a(21) =183587a(22) =214189a(23) =248597a(24) =286073a(25) =325889a(26) =369983a(27) =419459a(28) =473659a(29) =534043