1/a(n) is the current through the resistor at the central rung of an electrical ladder network made of 6*n+1 one-ohm resistors, fed by 1 volt at diametrically opposite ends of the ladder.
A342568
1/a(n) is the current through the resistor at the central rung of an electrical ladder network made of 6*n+1 one-ohm resistors, fed by 1 volt at diametrically opposite ends of the ladder.
Terms
- a(0) =1a(1) =7a(2) =45a(3) =239a(4) =1157a(5) =5307a(6) =23497a(7) =101467a(8) =430089a(9) =1796975a(10) =7422437a(11) =30373191a(12) =123327373a(13) =497484067a(14) =1995542913a(15) =7965875891a(16) =31663779857a(17) =125391332055a(18) =494914083229
External references
- oeis: A342568