Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A002203(n)) ), where A002203(n) = (1+sqrt(2))^n + (1-sqrt(2))^n.
A174504
Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A002203(n)) ), where A002203(n) = (1+sqrt(2))^n + (1-sqrt(2))^n.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =1a(4) =13a(5) =33a(6) =1a(7) =81a(8) =197a(9) =1a(10) =477a(11) =1153a(12) =1a(13) =2785a(14) =6725a(15) =1a(16) =16237a(17) =39201a(18) =1a(19) =94641a(20) =228485a(21) =1a(22) =551613a(23) =1331713a(24) =1a(25) =3215041a(26) =7761797a(27) =1a(28) =18738637a(29) =45239073
External references
- oeis: A174504