A partition product of Stirling_2 type [parameter k = -3] with biggest-part statistic (triangle read by rows).
A157399
A partition product of Stirling_2 type [parameter k = -3] with biggest-part statistic (triangle read by rows).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =9a(5) =15a(6) =1a(7) =45a(8) =60a(9) =105a(10) =1a(11) =165a(12) =600a(13) =525a(14) =945a(15) =1a(16) =855a(17) =5250a(18) =6300a(19) =5670a(20) =10395a(21) =1a(22) =3843a(23) =39900a(24) =91875a(25) =79380a(26) =72765a(27) =135135a(28) =1a(29) =21819
External references
- oeis: A157399