Number of genus 2 partitions of the set [3n] into n blocks of length 3.
A371251
Number of genus 2 partitions of the set [3n] into n blocks of length 3.
Terms
- a(0) =1a(1) =144a(2) =6046a(3) =149674a(4) =2771028a(5) =42679084a(6) =578872364a(7) =7153349724a(8) =82324041285a(9) =895669007200
External references
- oeis: A371251