Numerator of asymptotic density of Union{H_p: p is odd prime and p <= n-th prime}, where H_p is {K*p*(p-1)/2 : K integer}.
A231808
Numerator of asymptotic density of Union{H_p: p is odd prime and p <= n-th prime}, where H_p is {K*p*(p-1)/2 : K integer}.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =2a(4) =67a(5) =67a(6) =230a(7) =230a(8) =5317a(9) =70307a(10) =70307a(11) =70307a(12) =70307a(13) =70307a(14) =23158993a(15) =58560723101
External references
- oeis: A231808