Coordination sequence of the {4,3,5} hyperbolic honeycomb.

Terms

a(0) =1a(1) =6a(2) =30a(3) =126a(4) =498a(5) =1982a(6) =7854a(7) =31014a(8) =122562a(9) =484422a(10) =1914254a(11) =7564542a(12) =29893554a(13) =118131966a(14) =466827678a(15) =1844789414a(16) =7290156162a(17) =28808903814a(18) =113845717662a(19) =449890341534