a(1)=1, a(n) is the smallest integer > a(n-1) such that the sum of elements of the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals n^3.
A071971
a(1)=1, a(n) is the smallest integer > a(n-1) such that the sum of elements of the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals n^3.
Terms
- a(0) =1a(1) =7a(2) =45a(3) =401a(4) =719a(5) =1136a(6) =5613a(7) =6358a(8) =12448a(9) =24739a(10) =28082a(11) =42850a(12) =59604a(13) =78928a(14) =81119a(15) =169213a(16) =214725a(17) =309015a(18) =432821a(19) =496399a(20) =706170a(21) =725188a(22) =1163780a(23) =2284457a(24) =2941839a(25) =3857806a(26) =4133465a(27) =5890433a(28) =6190258a(29) =6286719
External references
- oeis: A071971