Numerators of the partial sums of the reciprocals of twice the heptagonal numbers (k + 1)*(5*k + 2) = A135706(k+1) = 2*A000566(k+1), for k >= 0.
A294826
Numerators of the partial sums of the reciprocals of twice the heptagonal numbers (k + 1)*(5*k + 2) = A135706(k+1) = 2*A000566(k+1), for k >= 0.
Terms
- a(0) =1a(1) =4a(2) =151a(3) =1315a(4) =36698a(5) =667109a(6) =10749479a(7) =399851303a(8) =401511863a(9) =18933826729a(10) =246810236317
External references
- oeis: A294826