Partial sum of Catalan numbers (A000108) multiplied by powers of 3.
A112697
Partial sum of Catalan numbers (A000108) multiplied by powers of 3.
Terms
- a(0) =1a(1) =4a(2) =22a(3) =157a(4) =1291a(5) =11497a(6) =107725a(7) =1045948a(8) =10428178a(9) =106126924a(10) =1097913928a(11) =11511677470a(12) =122057782762
External references
- oeis: A112697