Diagonal above the central terms of pendular trinomial triangle A119369, ignoring leading zeros.
A119375
Diagonal above the central terms of pendular trinomial triangle A119369, ignoring leading zeros.
Terms
- a(0) =1a(1) =3a(2) =11a(3) =40a(4) =149a(5) =564a(6) =2166a(7) =8420a(8) =33074a(9) =131085a(10) =523599a(11) =2105727a(12) =8519469a(13) =34652696a(14) =141621164a(15) =581266730a(16) =2394961851a(17) =9902433681a(18) =41074316737a(19) =170869972460a(20) =712729001716
External references
- oeis: A119375