Numbers k such that k divides A340740(k).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =19a(6) =48a(7) =111a(8) =4630a(9) =5428a(10) =13569a(11) =41628a(12) =87659a(13) =108990a(14) =555716a(15) =751863a(16) =973813a(17) =5124585a(18) =8663699a(19) =19545678a(20) =24330343