Numbers k such that the numerator of Sum_{j=1..k} k^2/(2*j*(j+k)) is prime.

A125745

Numbers k such that the numerator of Sum_{j=1..k} k^2/(2*j*(j+k)) is prime.

Terms

    a(0) =2a(1) =3a(2) =4a(3) =5a(4) =6a(5) =7a(6) =12a(7) =35a(8) =43a(9) =73a(10) =77a(11) =93a(12) =98a(13) =151a(14) =166a(15) =224a(16) =255a(17) =372a(18) =596a(19) =602a(20) =813a(21) =934a(22) =1139a(23) =1373a(24) =1397a(25) =1411a(26) =1530a(27) =1892a(28) =1954a(29) =2236

External references