Sequence with Hankel transform equal to 3^floor(n^2/2).
A168492
Sequence with Hankel transform equal to 3^floor(n^2/2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =38a(5) =250a(6) =1748a(7) =12463a(8) =89606a(9) =647710a(10) =4702844a(11) =34286038a(12) =250928732a(13) =1843209556a(14) =13586564072a(15) =100479347647a(16) =745418148806
External references
- oeis: A168492