A partition product of Stirling_2 type [parameter k = 5] with biggest-part statistic (triangle read by rows).
A157405
A partition product of Stirling_2 type [parameter k = 5] with biggest-part statistic (triangle read by rows).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =1a(4) =15a(5) =55a(6) =1a(7) =105a(8) =220a(9) =935a(10) =1a(11) =425a(12) =3300a(13) =4675a(14) =21505a(15) =1a(16) =3075a(17) =47850a(18) =84150a(19) =129030a(20) =623645a(21) =1a(22) =15855a(23) =415800a(24) =2323475a(25) =2709630a(26) =4365515a(27) =415800a(28) =2323475a(29) =2709630
External references
- oeis: A157405