A partition product of Stirling_2 type [parameter k = 3] with biggest-part statistic (triangle read by rows).
A157403
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) =21a(6) =1a(7) =45a(8) =84a(9) =231a(10) =1a(11) =165a(12) =840a(13) =1155a(14) =3465a(15) =1a(16) =855a(17) =8610a(18) =13860a(19) =20790a(20) =65835a(21) =1a(22) =3843a(23) =64680a(24) =250635a(25) =291060a(26) =460845a(27) =1514205a(28) =1a(29) =21819
External references
- oeis: A157403