Triangle built from first column sequences of generalized Stirling2 arrays (m+2,2)-Stirling2, m >= 0.

A091543

Triangle built from first column sequences of generalized Stirling2 arrays (m+2,2)-Stirling2, m >= 0.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =4a(4) =6a(5) =1a(6) =8a(7) =72a(8) =12a(9) =1a(10) =16a(11) =1440a(12) =360a(13) =20a(14) =1a(15) =32a(16) =43200a(17) =20160a(18) =1120a(19) =30a(20) =1a(21) =64a(22) =1814400a(23) =1814400a(24) =123200a(25) =2700a(26) =42a(27) =1a(28) =128a(29) =101606400

External references